Chaos Computer Club - archive feed

If you have ever wondered what OSMF and OSMF board are doing and why they exist it is a good presentation for you. Will include a brief overview (as promised in the title) of what they are doing, reason for their existence and why you may want to care about them. And why you may want join the board or one of working groups. Presented by OSMF board member. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/8XCQJB/

The botanical collection Arboretum and Palmetum Leon Morales Soto houses 412 species from 64 botanical families, totaling 4892 individuals. The mapping carried out by the SAGEMA chapter of YouthMappers allowed sharing valuable information about Colombian flora with the university community, facilitating its conservation and recognition through the integration of collection data into OSM. The project aims to promote the conservation of threatened tropical ecosystems through open mapping. It involved the participation of 12 students and a training strategy through open workshops to replicate the project in other Latin American regions. The Universidad Nacional de Colombia is one of the most important ecological nuclei and connection points in Medellín and the Aburrá Valley. In its approximately 37 hectares, the university harbors a high diversity of fauna, especially birds, insects, small mammals, and reptiles, which find shelter, food, nesting areas, and a passage point in their biological corridor in the tree cover. Therefore, the conservation of this space is of special importance to the city. The collection stands out for housing various species representative of different Colombian tropical ecosystems, such as the dry forests of the Cauca and Magdalena canyons, the humid forests of Chocó, and the flooded forests of the Amazon, among others, offering students and visitors the opportunity to immerse themselves in the biodiversity of the extraordinary Colombian tropical forests and ensuring the maintenance of native species. The "Open Data, Vibrant Ecosystems" project aims to bring the university community closer to the care and appreciation of the flora and fauna present on the Universidad Nacional de Colombia, Medellín campus, through the recognition and appropriation of the living collection Arboretum and Palmetum Leon Morales Soto. It is based on open and collaborative mapping to encourage students to interact with the different species of palms, trees, shrubs, and herbaceous plants that the collection houses, and aims to go beyond visualization and consultation by inviting them to be active participants in the collection's tree inventory data collection, creation, use, and download through open data and the OpenStreetMap platform. As a result of the first phase of mapping the project, the collection's inventory was imported into OpenStreetMap, adding around 3000 new data points to the map. The project is developed in 3 phases: Training, Data validation in office and field, Data import to OSM. For the first phase, a work route was established for data import. First, information gaps and technical knowledge needed for the import were identified. Based on this analysis, collaboration was sought with volunteers from the OSM Colombia and OSM Latin America communities who had experience in tree mapping in OSM. A schedule of five training sessions was established for project members to acquire the knowledge and technical skills necessary for mapping the collection. As part of the project's dissemination and replicability strategy, it was decided to open the talks to the general public and especially invite the OSM Colombia and YouthMappers Latin America community to the training cycle. Five (5) training sessions were held in February and March 2024. The attendance range per talk was between 14 and 30 people, including students, educators, researchers, and institutions from 5 countries in Latin America (Colombia, Brazil, Mexico, Peru, Nicaragua, Chile). The training process covered topics such as data cleaning, mapping project documentation strategies, data import models with QGIS, urban trees and green areas in the OSM ecosystem, and open data licensing. To ensure the project's replicability, a YouTube channel was created with recordings of all the training sessions. A wiki was created documenting the data cleaning process, selected tags, the validation phase, and the import model. For fieldwork preparation, the QGIS program and the QField application were used. Through QGIS, tree data obtained from the university's Environmental Management System were imported, and then each campus of the Universidad Nacional de Colombia - Medellín Campus was divided into quadrants/polygons, with the aim that each member verified the tree data/points in the assigned quadrant. Field data verification was done through the QField application. The qfiel form identifies the mapper with their OSM username, allows them to add new individuals, map dead trees, and delete absent individuals. Information on species, growth habit, condition, and a photo was collected during the recognition. Python code was used to complement the information collected in the field, using the GBIF open repository API to add information about the botanical family for each of the mapped species. After socializing the import in the OSM Colombia community, the data import was carried out by quadrants under the user of each of the

Importing a government-release open data dataset is an important data source for OpenStreetMap. I will talk about the experience of the OpenStreetMap Taiwan community importing tasks. I will describe the methods and the challenges we face during the whole import process. We have already dealt with 9 counties and cities' address datasets, and looking forward to dealing with more datasets released by other local government agencies in the future. Importing a government-release open data dataset is an important data source for OpenStreetMap. Most of the time you have to judge if the data quality is good enough to do so, and once you decide to import, you have to convert the dataset's field into the correspondent tags of OpenStreetMap. I will talk about the experience of the OpenStreetMap Taiwan community importing the open data datasets of addresses from the Taiwan government. I will describe the methods and the challenges we face during the whole import process. We have already dealt with 9 counties and cities' address datasets, and looking forward to dealing with more datasets released by other local government agencies in the future. I will report 6 cities and 3 counties importing address tasks. And talk about the experience of previous import tasks, like importing ETC tolls, public bicycle stations, bus stops, etc. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/ZVVQTA/

Thousands of Linked [Open] Data sources and knowledge graphs allow to access an enormous amount of structured interconnected data with built in interoperability. This talk explains the basics of Linked Data and offers an overview about the potential its combination with OSM has and the most popular methods available for linking, extracting, combining and querying data from OSM and Linked Data sources. Linked Data defines data structured with design principles that make it easily interoperable. Thousands of Linked [Open] Data sources and knowledge graphs around the world allow to access an enormous amount of structured interconnected data. The combination of this data with OpenStreetMap has considerable potential for valuable insights, quality control and new methods of interaction. This talk explores the basics of Linked Data and offers an overview of the state of the art in methods for mapping links to Linked Data sources and for extracting, combining and querying their data. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/A3Y3BC/

The OSM Foundation is kept running with the help of many volunteers. They look after our servers, the data, the community, the conference, membership and much more. In this session, some of our working groups will introduce themselves. Hear about what they do and how you can help. There will be also plenty of time to ask questions. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/HS8SVU/

This presentation will introduce a download service of OpenStreetMap GIS layers in English, but also in French for French-speaking areas. In addition to the translation aspect, this service is intended as a proof of concept for an approach that is interoperable, flexible and replicable: it uses open source software components, some of which are supported by OSGeo, and interoperable WMS and WFS protocols of the OGC (Open Geospatial Consortium), while providing detailed OSM data for the countries in question. While English dominates the OSM ecosystem and remains the reference language for the project, several initiatives allow non-English speakers to participate in and benefit from the project: a multilingual forum, translation of the wiki and certain self-learning platforms, translated user interfaces for applications and editors, including OSM label presets. But regardless of the technology or service used, the raw OSM data, once downloaded, is still exclusively in English, and any searching or filtering of OSM data in free GIS software such as QGIS can only be done in this language. This feature can slow down the learning process for non-English speaking OSM contributors, but more importantly, it remains a barrier to adoption by audiences outside the OSM community: for example, public services accustomed to creating/distributing/using data in the official language, or one of the official languages, of their country. This presentation will introduce a download service of OpenStreetMap GIS layers in English, but also in French for French-speaking areas, created on a voluntary basis by the association Les Libres Géographes (The Free Geographers). In addition to the translation aspect, this service is intended as a proof of concept for an approach that is interoperable, flexible and replicable, while providing detailed OSM data for the countries in question. It allows users to download all OSM data and all its labels in various GIS formats, in the form of 16 thematic or generic layers that are updated daily. It uses open source software components (PostGIS, Imposm, GeoServer, GeoNetwork, MapStore), some of which are supported by OSGeo, and interoperable WMS and WFS protocols from the Open Geospatial Consortium (OGC), making it easy to replicate the service. The presentation will be an opportunity to demonstrate these different aspects, get feedback or suggestions from the audience, and possibly discuss extending the translation to other existing OSM data download services. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/MJKAC8/

The privacy that OpenStreetMap gives to users in its software and programming interface has lagged behind the requirements of the European Union’s General Data Protection Regulation in some respects. We are now taking steps to remedy this and the changes that mappers and API clients will see are discussed here. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/EBMVWS/

This talk aims to share the efforts of OSM contributors to improve national datasets based on experiences in the Democratic Republic of the Congo. From data analyses to the setup of crowdmapping projects through welcoming new mappers to join and writing documentation. This talk is going to introduce a number of existing tools that proved to be useful in the DRC community. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/ZHME3F/

MapLibre Tiles (MLT) is a new vector tiles format which offers a significant tile size reduction and accelerated decoding performance compared to the de-facto standard Mapbox Vector Tiles (MVT). MLT also adds support for missing features like nested properties, linear referencing and M-values. Our evaluation against MVT on a OpenMapTiles schema based OSM tileset shows a reduction in tile size of nearly up to 80% with even faster decoding times. This talk explains how MLT can be used in combination with OSM data and the advantages it offers. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/T3CXBD/

Historically, the open mapping movement’s disaster focus has been response, but evolving local capacity, insight, technology and partnerships mean new anticipatory action and disaster preparedness open mapping methodologies enable a transition from reactive to proactive approaches to disaster management. This talk explores key findings on the transformative role of open mapping in this topic, demonstrated by three HOT collaborations; Anticipatory Response Program in Zimbabwe, Flood Tracking Project in Liberia, and Mapping for Anticipatory Action in Timor-Leste, plus analysis of post-disaster data demand from NGO and government responders. The talk will also surface insights on how OSM communities can increase their own disaster resilience and preparedness through mapping. Building on the foundations laid by the Missing Maps project, HOT is developing partnerships, data models and mapping campaigns that augment remote mapping efforts of humanitarian mappers (largely building / road network basemaps) through work with local communities, government and other actors creating data and analysis at a community level to conduct proactive disaster management. Anticipatory Response Program, Zimbabwe In Zimbabwe, a country impacted by disasters such as floods, cyclones, and droughts, the Anticipatory Response Program (ARP) explored anticipatory response through: - Identifying gaps in anticipatory planning, preparedness, and response that could be addressed with open geospatial data and tools. - Understanding the limitations in data tools and infrastructure supporting anticipatory action. - Stimulating opportunities for joint project collaboration between community organizations, disaster agencies, and the Open Mapping hub - East and Southern Africa. - Strengthening participation and ownership. - Developing data models through stakeholder identification of information relevant to the enhancement of disaster response Data collection involved mapping relevant features to inform better response capability by Caritas Zimbabwe and other stakeholders in Muzarabani district. This was conducted via remote and field mapping using open mapping tools and updating OpenStreetMap and Mapillary in 14 wards. Features included buildings, roads, and relevant points of interest (POIs) such as health facilities, shops, markets, schools, water sources, flood-prone road sections, religious centers, and public toilets. Data analyses evaluated suitability of POIs as evacuation centers and cash voucher assistance points and evaluated proximity to communities, thus visualizing community vulnerability to disasters and contributing to local contingency planning. Specifically, this information served as input to hazard maps and Multi-Hazard Contingency Plans (MHCP) for the pilot wards, ensuring authorities are prepared for disasters, and response efforts are supported by high-quality relevant geospatial data. Tracking Flooding in Rural Liberia Coastal settlements of Liberia - 565kms of mainly lowlands, hosting mangroves, swamps and nine river estuaries - face climate risks such as flooding, rising sea levels, and coastal erosion. Coastal cities experience annual average precipitation of >500mm, causing floods and sea erosion that disrupt livelihoods and damage properties and infrastructure. HOT’S Open Mapping Hub - West and Northern Africa, iLab Liberia and OSM Liberia collaborated to address urgent needs of the Commonwealth District in Grand Cape Mount County. An open, participatory mapping approach was used with key stakeholders to accomplish: - Mapping stakeholders and climate change-related interventions - Filling gaps in existing datasets, plus visualizations and decision-making tools for government and humanitarian actors. - Increasing climate resilience awareness through focus groups, radio programs, talk shows, town hall meetings, and resources for use by local authorities, youth, and women’s groups. - Mapping building footprints, road networks, waterways, and land use and collecting field data on buildings, education, health, commerce, infrastructure, waterways, and other amenities to provide detailed information on the vulnerability, exposure, and flood hazards for more robust data analysis. Data products were developed based on requirements and use cases from the National Disaster Management Agency, Liberia National Police, Ministry of Health, Environmental Protection Agency, Liberia Water and Sewer Corporation, Liberia Land Authority, Liberia National Red Cross Society, Ministry of Internal Affairs, Liberia Institute for Statistics and Geo-Information Services, Ministry of Public Works, Liberian Hydrological Services, Liberia Geographical Society, and others. Access to reliable data analysis hinders stakeholder’s disaster mitigation, preparedness, response, and recovery initiatives. These actors can now develop resilience programs to support the people in the district and adopt tools and workflows for other affected counties across

[Cloud-native approaches and formats](https://cloudnativegeo.org/) are increasingly becoming the defaults for geospatial data analysis, visualisation and distribution. Standards like STAC and formats like GeoParquet, FlatGeobuf and PMTiles are being adopted to meet high volume and performance needs. OpenStreetMap can take advantage of these new approaches to increase adoption, interoperability and solve analysis and visualisation problems that were previously complex. This talk will discuss a few ways to bring cloud-native formats to OSM use-cases and present lessons on building new applications that take advantage of these improvements. Particularly, we will discuss how to use cloud-native approaches to improve OSM validation and change visualization efforts. OpenStreetMap data is core to projects used by millions of users worldwide. With the increase in volume of data, developers are turning to cloud-native approaches to efficiently manage geospatial operations and visualizations. The primary OSM data distribution are currently Shapefiles, GeoJSONs, Raster and Vector tiles, and OSM specific formats like osm and osc. What are the possibilities of other formats like GeoParquet, FlatGeobuf and GeoArrow? How can these formats improve existing workflows in OSM and allow users new ways to work with OSM data? How can we enable interoperability with other datasets and tool ecosystems? These are some of the questions we will address in this talk. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/BXGLWA/

Map Kibera arose from a desire to expand OSM beyond the confines of Europe and North America. In 2009, it pushed the boundaries of what then-new technologies could do. What have the mappers learned over the years? This talk will welcome you to Nairobi and through the ups and downs of mapping in Kenya - from the history of mapping in 20th Kenya, through Map Kibera’s start, into slums and rural parts of Kenya, and finally to current-day Kibera, where mappers are mapping street lights, waste disposal, schools, and more. How has Map Kibera and OSM had a community impact even as drones, satellite technology and AI are revolutionizing mapping? What has changed, and what has remained the same? We will discuss the global impact of Map Kibera, on community-based mapping in OSM and on the general application of technology in developing countries. This talk will include a discussion of mapping in Kenya dating back to the colonial era, the establishment of Kibera as a region of Nairobi, and its growth into a massive informal settlement. Kibera has been viewed as a place to develop by the Kenya government, International aid agencies, charities, and missionaries. It was a flashpoint of the post-election violence of 2007/8. Map Kibera’s Kenyan leaders will discuss the most recent mapping and local impacts made by the use of OSM. Mapping of street lights in Kibera led to new and more street lights installed in Kibera. Mapping of waste management in Mukuru led to the placement of dumping waste bins. Data on schools has led to a pilot project to install solar panels on selected schools. None of these impacts have been easy, but we will share lessons learned about OSM, open data and communities. Finally, we conclude with a discussion of emerging and ever-changing technology, and the fate of the techno-optimism of the early 21st century. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/B3EH7D/

Lightning talks are short presentations (maximum 5 minutes) about a topic related to OpenStreetMap. ## Discover OSM with free GIS tools in Africa geoportal _by Esri Eastern Africa_ ## Disaster hackathon 2.0 in Bangladesh _by Ibtehal_ ## Impact of anticipatory mapping in disaster preparedness _by Jacques Niyigena_ ## Geospatial conference Tanzania (GIS day) November 15-16 2024) _by Kawamala Antidius_ ## Discover the UN maps learning hub! _by Séverin Ménard_ Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/87HBBY/

Improving the map in OpenStreetMap involves data availability and reliability. Through the operations in which they are involved, organizations have a vast amount of data at their disposal, much of which is confidential and goes against the spirit of Open Data, which is all about sharing. This session will show how the OSMer in Residence program has fostered this paradigm shift through collaboration between HOT's Western and Northern Africa Hub and Médeçins Sans Frontières The shared vision of creating a detailed, accessible, and community-driven map of the world continues to drive the open mapping movement. Increasingly, organizations across diverse sectors are recognizing the value of open data and its potential impact on societal development. Several organizations have made a commitment to open up their data and actively contribute to OpenStreetMap (OSM). However, as OSM is an open-source community project, decisions and action are guided by community consensus. For any organization seeking to integrate its data into this platform, obtaining local community support is essential. The OSMer in Residence program serves as a crucial link between these organizations and the dynamic OSM community in Africa. Based on the concept of the Wikipedian in Residence, the OSMer in Residence program is designed to embed an OSM subject matter expert in a host organization or institution to maximize the value for the host organization in terms of their ability to leverage OpenStreetMap as a database that supports improved humanitarian and development outcomes in accordance with OSM community norms. In its pilot phase, Open Mapping - West and Northern Africa Hub(WNAH) collaboratedwith Médecins Sans Frontières/Doctors Without Borders (MSF), a humanitarian organization that provides emergency relief to some of the most vulnerable and excluded communities around the world, with data and maps being of high importance to supporting their operations. This pilot phase has led to workflow proposals facilitating the integration of an organization's data into OpenStreetMap by involving the local community where the data was collected. Data confidentiality and organized editing in OpenStreetMap will be addressed during this session. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/MRBEFX/

Examining the case of OSM Kenya, we showcase and exhibit how initiatives have empowered local communities through open mapping, fostering collaborations, and skill development. We have catalyzed sustainable impact driving positive change across the country and around the world through empowering over 200+ young people who are members of our community. Gaining insights and strategies for enhancing community engagement and capacity within the OpenStreetMap ecosystem in Kenya and beyond borders. The presentation will be centered around Community Capacity Building as a model for building sustainable communities for the global south, Sharing tricks and skills that we have adapted over five years, we desire to showcase our growth as a community through the contribution of open data. During the presentation, we will recognize the community for working together to achieve such a milestone as we seek to enlighten other communities toward achieving greater goals. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/99HWEX/

OpenStreetMap is a community project to map the world. Everybody can contribute whatever they want. Or can they? What are the rules that govern what can be mapped in OSM and how? How are we creating a coherent global map and not just a bunch of random data about the world? OpenStreetMap is a community project to map the world. Everybody can contribute whatever they want. Or can they? What are the rules that govern what can be mapped in OSM and how? How are we creating a coherent global map and not just a bunch of random data about the world? For years we have had the "on the ground rule" (really more of a guideline) that helps us decide what and how to map. It has served us well, but it is also sometimes misunderstood. And it is not the whole story. In this talk we want to explore this rule and its many aspects and the other principles anchoring the project in the real world. We want to show how the rule helps avoiding conflicts but also shine a light on where it is sometimes bent and why. We want to figure out what it is that keeps the international and diverse OpenStreetMap community working towards a common goal. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/V3FYDH/

In recent years, data creation methods have evolved, incorporating machine learning, AI, deep learning, and virtual reality to streamline processes. However, these advancements have not uniformly benefited communities in developing countries. Nonetheless, OMDTZ tirelessly seeks solutions to ensure more high-quality data are gathered, with low cost and extensive local involvement. One standout initiative involves a customized tricycle, known as bajaj, which is cost-effective, enabling access to streets of varying conditions. Equipped with an affordable street view camera, it collects images used to automate generation of vector data attributes to enrich OpenStreetMap. This session aims to share the experience and process, inspiring other communities to consider similar adaptations. Over the years, OMDTZ and other volunteers have spearheaded a number of initiatives aimed at updating OpenStreetMap through various projects and mapathons in Tanzania. These efforts have added countless buildings, roads, and amenities, impacting social well-being and lifesaving initiatives. As technology has advanced, methods for data creation and updating have evolved, leveraging machine learning, AI, deep learning, and virtual reality to streamline processes. In line with these advancements, OMDTZ has invested in methods to ensure efficient and high-quality data capture. One such method involves using Mapillary to capture street view imagery, which is then utilized to automate the generation of vector data and attributes such as road surface, traffic signs, and drainage coverage. Additionally, OMDTZ has customized Bajaj, equipping it with navigation and a GoPro Max camera for data collection. This approach offers cost-effectiveness compared to traditional vehicles, increased mobility in intricate urban areas, and fosters community involvement by leveraging local knowledge. Combining these technologies with local resources revolutionizes street-level data collection, contributing to the continuous improvement of OpenStreetMap in Dar es Salaam Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/J9ATMQ/

This proposal outlines my journey into the tech sector via OpenStreetMap (OSM) as a woman with no prior tech background. I'll share my transformation from beginner mapper to proficient user, skilled in OSM mapping and QGIS for data analysis.In a field where women's representation is limited, my involvement in OSM Tech stands as a testament to breaking barriers and fostering inclusivity—an opportunity provided to me by OpenMap Development Tanzania (OMDTZ). I’ll show the significance of providing equal opportunities and a supportive environment for women in technology in OSM and highlight the potential of OSM as a catalyst for personal and professional advancement. I aim to share, reflecting on the supportive environment that facilitated my growth while arguing for the importance of creating an inclusive space in OSM communities where women and other underrepresented groups can aspire to achieve anything.With less than a year in OSM Tech, I am already actively participating in organizational projects, including the solid waste management baseline survey—an area I am interested in as an environmental personnel. I will also share what has worked best for me and how I overcame challenges so that other women out there who want to take on the challenge can feel empowered and able to take the first steps Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/A7DUFU/

Over the years, iD has become a quite capable, versatile and reliable editor for OSM. However, it is currently also facing of a number of challenges: For example, it needs to keep being able to cope with the growing amount and richness of OSM’s map data, as well as to afford the increasingly important task of keeping the map up to date. This talk outlines a proposal to transform iD’s current user interface centered around OSM’s data model into an adaptive user experience that is better tailored towards the needs of individual mappers and outlines an approach of how we can get there as a community. In the past, iD had to and has overcome several challenging hurdles to become what it is today: A quite unique map editor that is the point of entry of most contributors of OpenStreetMap into the world of mapping. Today, iD is facing of a number of signifiant challenges to make it even more usable to a wide user base, and will continue to do so into the foreseeable future especially in regards to make it fit for the mapping topics of the future. For example, the editor needs to be able to cope with the growing amount and richness of OSM’s map data as well as as the increasingly important task of keeping the map up to date. The design of iD’s current user interface is substantially based on OSM’s data model. This can be seen for example in the workflow of creating a new map feature: It starts out with a blank “dummy” map geometry which – in a second step – has to be converted into a map feature by choosing a preset. While this is true to the way OSM represents this information in the data (i.e. in the form of nodes, ways and relations which are enriched with tags), this is for most simple use cases an unnecessary complication. Instead of primarily catering to the needs and requirements arising from the underlying data structures, iD’s usability should be instead built around the needs of of the different groups of mappers. And as these vary quite significantly depending on the interests and/or experience of the individual mappers, a promising approach to bring all of these together is to evolve iD’s user interface into an adaptive mapping experience with the goal to make vital mapping workflows intuitive, easy, fast and delightful. This transformation will definitely not be a small endeavor and is far from finally defined: in fact this should only be a start of a larger discussion. Let us together flesh out the details of this project. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/3D9RGU/

**A picture is worth a thousand words**, I am a Pharmacists by training and only discovered the love for technology and maps recently. After discovering OpenStreetMap and taking up mapping based on interest. I share my experience, motivation and how I have used photos to improve OpenStreetMap data in Accra. I joined OpenStreetMap in 2018 but it was only until recently that I finally found much interest in the project and community. In this presentation, I share with you my experience contributing to OpenStreetMap as a Pharmacist. I also will talk about interesting discoveries and observations whilst collecting data for mapping into OSM. Finally, I share my workflow and current projects. **Related links** * https://wiki.openstreetmap.org/wiki/Photo_mapping * https://wiki.openstreetmap.org/wiki/Organised_Editing/Activities/Ghana_House_Addresses Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/MRQDGE/

Through this initiative, GeoTE Tanzania focuses on integrating OpenStreetMap (OSM) into academic curricula through five-week Field Training sessions with YouthMappers and academic partners. This program emphasizes practical application and problem-solving using OSM data across disciplines such as wildlife, forestry, agriculture, rural and urban development, and environmental studies. By partnering with universities like Sokoine University of Agriculture, GeoTE facilitates hands-on learning experiences that prepare students to address community challenges with geospatial techniques. "Incorporating OpenStreetMap into Academic Curricula: Insights from GeoTE Tanzania's Five-Week Field Training with YouthMappers and Academic Partners" explores the transformative role of OSM in academic settings and community development. GeoTE Tanzania's approach to integrating OSM into academic curricula revolves around practical application and problem-solving, empowering students to leverage geospatial data for real-world impact. The program's structure emphasizes collaboration with academic partners and organizations like YouthMappers to deliver comprehensive Field Training sessions lasting five weeks. These sessions serve as immersive learning experiences where students apply OSM data and techniques to address community challenges across various domains, including wildlife conservation, forestry management, agricultural development, and urban planning. Through step-by-step mentorship on project ideation and execution, students gain proficiency in using OSM as a tool for spatial analysis and decision-making. The program's focus extends beyond technical skills to cultivate critical thinking and problem-solving abilities essential for effective community engagement. A cornerstone of GeoTE's approach is its partnership with academic institutions like the Sokoine University of Agriculture, where Field Training sessions are integrated into the academic calendar. This collaboration ensures that students receive academic credit while gaining practical experience in OSM mapping and analysis. GeoTE Tanzania's experience offers valuable insights into the potential of OSM to enhance academic curricula and foster community development. By equipping students with OSM skills and empowering them to address local challenges, GeoTE contributes to building a sustainable ecosystem of geospatial practitioners capable of driving positive change in their communities. The presentation will highlight key learnings, challenges, and best practices gleaned from GeoTE's experience, providing attendees with actionable strategies for incorporating OSM into academic programs and community development initiatives. Through case studies and testimonials, the talk will showcase the tangible impact of OSM integration in empowering students and advancing community-driven solutions. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/YNEPJM/

The more detailed our mapping of the real world becomes, the more it becomes apparent that a single node, way or relation is insufficient to represent the complex properties of a real-word object. Streets have many lanes. Buildings have entrances, 3D shapes and POIs inside. And let's not even start talking about the complexity of a major railway station. This talk will take a systematic look at the different ways how complex objects are being mapped in OSM. We explore how editors cope with the complexities of detailed mapping and discuss the implication on how our processing tools need to change to better handle relationships between objects. In the early OSM days, when the map was still largely a white canvas, it was very easy to stick to a simple one-to-one relationship between real-world features and OSM objects. A street is a way. A building is a single closed way. But the more we get into the details of mapping, the more this one-to-one principle gets us into trouble. Streets have many lanes. Buildings have entrances, 3D shapes and POIs inside. And let's not even start talking about the complexity of a major railway station. For some of these complex constructs we have developed mapping schemas - using special tagging, relations or relying on spatial properties. But more often than not, the question of relationship between OSM object is sidestepped. The situation is more dire on the side of the processing tools. Most generic tools still look at every OSM object as an isolated feature. The tools that do process complex objects often do so only for a very specific type like 3D buildings or turning restrictions. This talk will take a systematic look at the different ways how complex objects are being mapped in OSM. We explore how editors cope with the complexities of detailed mapping and discuss the implication on how our processing tools need to change to better handle relationships between objects. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/98JMSV/

In this presentation, we will share our experience conducting an OpenStreetMap training program with the Kibera Girls' Soccer Academy in Kenya. We will cover various aspects such as the planning process, development of curriculum, hands-on mapping activities, and achieved outcomes. Our aim is to provide practical insights that attendees can use to run similar programs in other schools or regions, promoting greater OpenStreetMap engagement among youth. In 2022, Map Kibera collaborated with YouthMappers to launch and manage a technical training program for an all-girls secondary school in Kenya. The training program primarily focused on OpenStreetMap (OSM) but also included sessions on career guidance and digital wellbeing to introduce the students to STEM. In this session, we aim to share the resources that were used to model how OSM communities and organizations can join forces with secondary schools to conduct impactful training programs. We will also emphasize the significance of OpenStreetMap in developing technical skills and advocating for STEM education in young learners. Additionally, we will include how such programs promote inclusivity and the strategies to make training programs accessible and encouraging, especially for girls in marginalized communities. The attendees will gain a better understanding of the steps involved in planning an OpenStreetMap training program for high school students and acquire insights into customizing mapping activities to cater to a younger audience. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/WCFXG7/

The "OSM Funding" talk is dedicated to illuminating the management of the OpenStreetMap Foundation as a non-profit organization, reliant on donations and event sponsorship. With a commitment to transparency, the talk aims to provide a clear description of how the OSM Foundation's finances are handled, ensuring the community is informed about fund allocation and usage. By providing a clear understanding of where funds are directed and how they benefit the broader OSM Community, attendees are empowered to build mutual trust with the OSMF. The OSM Foundation endeavors to foster trust and collaboration while maximizing the impact of financial resources for the collective benefit of all of OSM. The abstract outlines the focus of the "OSM Funding" talk, emphasizing the OpenStreetMap Foundation's management as a non-profit organization reliant on donations and event sponsorships. With a commitment to transparency, the talk aims to inform the community about fund allocation and usage, ensuring everyone understands how their contributions support the broader OSM Community. By providing clarity on financial matters, the OSM Foundation seeks to foster trust and collaboration while maximizing the impact of resources for our community. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/C8B93B/

Better information leads to better city policy. Unfortunately, many of the world’s cities still lack basic information on their own transport systems, leading to decisions measured against anecdotes rather than data. Using new tools for data processing and display, OpenStreetMap can provide the information that governments need to make better decisions. In this panel we will share recent success stories of cities adopting OSM-based metrics to plan better transport. We will reveal new tools that governments, mappers, and advocates can use. And we will discuss the challenges that still remain and the roles the OSM community can play in overcoming them. Transport is among the largest sources of greenhouse gas emissions, and transport emissions are growing especially quickly in the Global South. Experts agree that vehicle electrification will not be sufficient to avoid climate catastrophe: we also need to redesign cities to make it easy for people to walk, bicycle, or ride public transport instead of driving. OpenStreetMap can help. OpenStreetMap can empower cities to make planning decisions based on real data, and to set more meaningful goals for progress. OSM has empowered cities like Fortaleza and Recife, Brazil, to plan expansions of their bicycle lane networks that serve the greatest number of potential cyclists. OSM has helped cities as distant as Seattle, USA; Jakarta, Indonesia; and Pimpri-Chinchwad, India, to optimize their public transport networks and make it easier for everyone to ride the bus. And this is only the beginning. New tools are proliferating, such as ITDP’s Atlas of Sustainable City Transport and Trufi’s GTFS-Builder. These tools make it much easier to turn OSM data into useful indicators that can guide city policy. In the case of Trufi’s work, it does so by converting OSM data into industry-standard formats that can be used for trip planning or network analysis, As tagging evolves, OpenStreetMap is emerging as a solid foundation for creating multimodal route planning networks, thanks to its comprehensive information for generating integral maps. Furthermore, Trufi has developed a specific course on mapping public transportation routes, with the objective of training the OpenStreetMap community to contribute effectively to this particular aspect within the platform. ITDP’s Atlas, on the other hand, uses OSM as well as other open sources to present measurements of meaningful indicators that city governments can use to set goals or compare themselves to nearby jurisdictions. Some challenges, however, remain. It can be difficult to explain the virtues of OSM to governments who have never used it before. The tagging schema does not include certain nuances that are important for bicycle infrastructure planners (although a current proposal remedies many issues). And, looking more broadly into the future, there are many promising opportunities for the OSM community to push into new frontiers of data on topics like road usage, footpath quality, and parking. In order to prevent catastrophic climate change, we need to change the way people move around cities. In order to do that, we need maps. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/LDB3BA/

OpenStreetMap (OSM) is a collaborative mapping platform with provides open and easy access to its users. It has diverse usability including the general public to governmental and non-governmental organizations. This abstract presents the usage of OSM in general and in the context of Nepal. OSM is used by the local community, the government sector and NGOs, tourism, classrooms, and various projects contributing to the development and gender equality making it a versatile data source. OSM gives a sense of empowerment and responsibility to individuals and contributes to fostering resilience and sustainable development. OpenStreetMap (OSM) is a free and open-source mapping platform where individuals collaboratively create, edit, use, and share geospatial data. OSM is used by a variety of users and stakeholders for their respective purposes. For the general public OSM is used for navigation because of its user-friendly nature. Mobile applications like MAPS.ME and OsmAnd provide offline access to maps. Additionally, it facilitates community engagement bringing a sense of empowerment and responsibility among individuals. Government sectors and NGOs use OSM data for planning developmental activities. The OSM data is extensively used in humanitarian response, Nepal is prone to disasters like earthquakes, landslides, and floods OSM has played a crucial role in allowing volunteers to respond quickly with the most updated maps with local information. OSM also plays an important role in tourism; guides, hikers, trekkers, and mountaineers use tourist maps prepared using OSM data as it provides detailed maps of hiking trails, mountain peaks, and natural landmarks. Gender equality is also an important domain that OSM has impacted upon, its various projects of mapping women-centric points of interest, addressing the issue of female genital mutilation, She Leads She Inspires programs, and empowering women as contributing to it remotely itself is the task that most females prefer to do. The students in the classrooms use OSM data for their projects and research. OSM data is preferred in the analysis as it is up-to-date and contains detailed information. Different student clubs like the Geomatics Engineering Society (GES), a registered OSM community in Nepal conduct training, workshops, and mapathons contributing to capacity building. Overall, OpenStreetMap offers a spectrum of usability to individuals, volunteers, companies, and organizations and stakeholders ranging from navigation to disaster response and empowerment of individuals and community as a whole. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/A3JTVT/

UN Maps is an initiative from the Department of Operational Support at the United Nations which aims not only to enrich topographic and operational data in UN mission areas but also to provide peacekeeping and humanitarian actors with topographic maps, operational geo-information, search and navigation tools, and imagery and street-level base maps. UN Maps is built on both UN internal authoritative geospatial information and open data, especially OpenStreetMap. UN Maps has also built a thriving community, called UN Mappers, around the collection and validation of open geospatial data with contributors from local communities, academia and UN staff in the field. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/EWNBAV/

We welcome the OpenStreetMap community in Nairobi but also online to celebrate the international State of the Map conference. This session will provide also some formal instructions and helpful information. For example you will learn how the QA (question and answer) sessions are run. And what we will do on Friday and Saturday evening. Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ about this event: https://2024.stateofthemap.org/sessions/WTH9FS/

We close the event about this event: https://sessions.hack-mas.at/event/6uHXTqeW8azcXsDf3/closing

I could briefly present noyb's GDPRhub.eu, a wiki for data protection decisions from all over Europe, in case a number of people are interested. There we collect and document national and European data protection cases in English, so that lawyers, researchers and other interested people from all over the world can get an idea of the state of the GDPR.I could present in both German and English, though I would only prepare English slides, since it's all a bit last-minute. about this event: https://sessions.hack-mas.at/event/en2ypCh2pqyg2z44t/gdprhub-the-european-wiki-for-data-protection-decisions

Rosenpass is a post-quantum secure cryptographic protocol, an implementation of that protocol in the Rust programming language, and a governance organization stewarding development of both protocol and implementation. When used with WireGuard, Rosenpass functions as a ready-to-use virtual private network with full security against quantum attackers.The development of a technology like Rosenpass is complex and requires a good footing in cryptographic research, software engineering, industry practices, and science communication. Bringing together these diverse threads of activity is an ongoing challenge. Individual work is not enough, it takes a group; an organization. We are the group that tries to tackle these challenges for Rosenpass.In this talk, we will focus on Rosenpass as a protocol and explain the principles used and challenges encountered when designing such a protocol. Equipped with ample time and many scientific illustrations, we hope to give insight to an audience with many different levels of knowledge about cryptographic subjects.This is not a lecture for experts. This is supposed to be entertainment for the technologically inclined.In the talk we are going to explain what key encapsulation methods are, how they are different from "non-interactive key exchanges" – often just called "Diffie-Hellman" operations. We will demonstrate how key encapsulation methods can be used to build a secure cryptographic key exchange protocol and how the X-Wing fighter can be used to provide cryptographic redundancy.Finally, we will turn our attention to attacks we found against WireGuard, show off a protocol level denial-of-service attack against WireGuard and explain how we solved that attack in Rosenpass. about this event: https://sessions.hack-mas.at/event/jzGHNoejBMT5hNBbC/how-to-build-post-quantum-cryptographic-protocols-and-why-wall-clocks-are-not-to

Von der Teetasse über das Flugzeugtriebwerk zum Knochenimplantat ist das Motto dieses Talks, der dem geneigten Publikum 3D-Druck von Hochleistungskeramik näherbringt. Dabei gibt es einen Crashkurs, wieso Keramiken die Nerds der Materialien sind, wieso ein 3D-Drucker für Keramik noch etwas nur für gut betuchte Bastlerinnen und Bastler ist und wofür 3D-gedruckte Keramikteile schon heute genutzt werden. Ob alternative Energieversorgung oder neue Therapiekonzepte in der Medizin - einige Anwendungen werden erst durch die Möglichkeiten des Keramik-3D-Drucks geschaffen. Hier lernt ihr, wie damit die Welt ein klein wenig besser gemacht werden kann. Aber natürlich darf auch die Technik dahinter nicht zu kurz kommen und daher gibt es Einblicke in die bunte Welt des Lithography-based Ceramic Manufacturing. about this event: https://sessions.hack-mas.at/event/efptiTfAKjFmRE9Q5/alle-koennen-petg-hast-du-schon-mal-keramik-3d-gedruckt

Try out open source image generation - and learn how to control AI magic. No prior knowlege needed. Bring ideas on what you want to generate.First theory / terminology you'll need for the toolsPropriety tools and why they suckThe 3 major base-models SD1.5, SDXL and FLUX.1/SD3 - diffusion vs flow modelsELI5: latent spaces, u-nets, [un]CLIP, VAE, cfg-scale, samplers and schedulersThen I'll show you how to use the 2 major web UIs:The beginner tool a1111 stable diffusion web uiThe pro tool comfyuiFast view over other tools that I haven't triedThen I'll explain what you can customize - with example workflows in comfyui Models: LoRAs - low rank adapters - diff/patches to base models for generation guidance, i.e. pose, canny edge, styles, concepts, etc. IPAdapter: Transfer styles, faces and do per-layer-prompting Hyper/turbo models: Generate 20 1kx1k images per second on a 4090 Conditioning: unCLIP use pictures as prompt. Latent space walks + Different CLIPs for different layersInitialization: Start from a (masked) image - inpainting, outpainting, overpainting, refining, transformingSpecial models for upscaling (SUPIR) and animation (AnimateDiff)Bring a laptop / tablet / phone if you want to try it. I'll rent a 3090/4090 and provide you a beginner setup for at least 20h during/after the talk.A matrix channel / mastodon hashtag for AI art would be cool. Maybe we can do a contest / exhibition?Slides: https://schickmas.at/2dd2f1cbd7c3 about this event: https://sessions.hack-mas.at/event/w4DZtGfeNK86AGbhr/image-generative-ai-foss-only

Man nehme ein paar hundertausend Dateien und ein flexibles Wissensmanagement-Werkzeug und lässt seiner Fantasie freien Lauf.Nun stell' dir vor, du kannst deine Dateien in dein Wissensmanagement-System verlinken und trotzdem von einem Verzeichnis in ein anderes verschieben, ohne, dass deine Links brechen.Dein Datei-Management als auch dein Wissensmanagement bauen unter anderem auf Multi-Klassifikation mittels Schlagworten (Tags) auf.Wie ist es, wenn man vergessen darf, wo die Dateien abgelegt wurden?Was kann man mit der Idee machen, zu seinen Dateien alle möglichen Meta-Daten im Wissensmanagement zu verwalten?Wenn dich diese Gedanken interessieren, dann schau' bei dieser Session vorbei, wo Karl gerne seine Dateimanagementworkflows herzeigt, die in seinem Fall auf Org-mode und der filetags-Werkzeuge aufbauen.Motivationsartikel, der meine filetags-Tools zusammenfasst: https://karl-voit.at/managing-digital-photographs/Online demo: https://karl-voit.at/demo-filetags-intro/filetags: https://github.com/novoid/filetags/ about this event: https://sessions.hack-mas.at/event/YaEdYnu5FZ4K96T7F/dateimanagement-mal-anders

Vor mehr als 2 Jahren habe ich einem österreichischen Einmannunternehmen mehrere kritische Schwachstellen in der Software, die sie an Kunden vertreiben, gemeldet. Trotz Unterstützung des österreichischen CERT.at gelingt es mir seit 2 Jahren nicht, sie dazu zu bringen, diese Lücken zu schließen, was mich zum unfreiwilligen Admin von mehr als 100 Registrierkassen österreichischer Unternehmen macht. Ich würde gerne in einem kurzen (mit viel Galgenhumor gespickten) Vortrag erzählen, wie es dazu gekommen ist. about this event: https://sessions.hack-mas.at/event/9yNBZjgCs2k9PhJdA/crashit-eine-security-gruselgeschichte

Secure messaging apps are one of the most-used app categories on current mobile devices, and a significant subset of human communication is handled through them. This makes them an interesting target for forensics, surveillance, and general information collection for intelligence services and police institutions. In this talk, we will discuss various options for such surveillance and their respective difficulties, pointing out which options do not seem realistic given all the practical considerations.Speaker: Rene Mayrhofer about this event: https://sessions.hack-mas.at/event/FzXNrZZ9aWunEByvY/secure-messaging-and-current-attacks-against-it

Was, den gibts noch?!1? Dank geupdateter C-Toolchain gibt es in der Gameboy-Homebrew-Szene regelmäßig neue Releases. Worauf muss man achten wenn man ein Spiel für den Gameboy entwickeln möchte? Ist das nicht mühsam?Wie verhält es sich im Vergleich zu normaler C Programmierung?Was für Frameworks und Game Engines (?!) gibt es? Wie erstellt man Graphiken und Musik? Nach einem kurzem eher High-Level-Überblick über die Gameboy-Hardware würde ich ein paar spezifische Tools vergleichen und danach könnten wir eine Diskussionsrunde starten oder so... Programmierkenntnisse sind von Vorteil, aber nicht zwingend notwendig, weil es mittlerweile auch ein Drag'n drop Tool gibt about this event: https://sessions.hack-mas.at/event/2mnKTTNjreMx356Fq/gameboy-gamedev-in-2024-ein-ueberblick

An exploration of the theoretical fundamentals of machine learning and and how machine learning frameworks work. We’ll cover key concepts such as functions, parametrizing functions from data, judging the accuracy of models, GPU computing and some basic model architectures.This session is designed for those interested in the foundational ideas behind machine learning—no coding or advanced mathematics required. Our focus will be on the basics, without digging to much into specific AI applications or large language models (LLMs).English or German possible.Duration: 30min + 15min Q&ADevices: Beamer, Laserpointer would be nice about this event: https://sessions.hack-mas.at/event/BGinNaMNhqf8ZWNjA/machine-learning-from-the-ground-up

Nur Adressen speichern? Bookmarklets mit JS und HTML bieten mehr 🤖In meinem Vortrag werde ich die Eigenschaften von Lesezeichen vorstellen, wie z.B. die persönliche Sammlung und die Möglichkeit, sie über Schlüsselwörter in der Adressleiste zu öffnen. Außerdem werde ich auf die Verwendung von Bookmarklets eingehen, die aus HTML, CSS und JavaScript bestehen und die Erstellung von persönlichen Webseiten ermöglichen.Ein Schwerpunkt meines Vortrags ist das Scraping von Webseiten, wobei ich anhand eines Beispiels die schrittweise Entwicklung von JavaScript-Code in der Konsole demonstrieren werde. Weiter werde ich zeigen, wie Webseiten durch Pimpen individualisiert werden können, z.B. durch das Ersetzen von Links oder die Implementierung eines Dark Mode.Ein weiterer Aspekt meines Vortrags wird das Hosten von Webseiten sein. Dazu werde ich ein Bookmarklet vorstellen, das einen minimalen HTML-Editor ermöglicht. Zudem werde ich auf den kreativen Einsatz von Bookmarklets zur Erstellung interaktiver Webseiten, am Beispiel eines einfachen Countdowns, eingehen. Ich freue mich darauf, meine Erkenntnisse zu teilen.https://etherpad.wikimedia.org/p/hackwords about this event: https://sessions.hack-mas.at/event/yf9RMPHR86nooaP3p/lesezeichen-zum-scrapen-pimpen-und-hosten-von-webseiten

Diese Session klärt Fragen wie folgende: Wie soll man denn so viele verschiedene eindeutige Passwörter verwalten? Was ist der Unterschied zwischen den verschiedenen Mehrfaktorauthentifizierungsverfahren (TOTP, FIDO2, Passkeys, SMS, PINs, CardTANs, ...)? Welche TOTP-Apps (Google Authenticator, FreeOTP, Aegis, ...) sind vertrauenswürdig? Welche der Verfahren soll ich verwenden? Was schützt gegen Phishing (und was nicht)? Was sind die Nachteile von Passkeys, die aktuell so gehypt werden? Bei welchen Verfahren muss ich jemand anders inwieweit vertrauen?Teile des Inhaltes sind bereits mit https://karl-voit.at/2023/03/05/Passwortsicherheit/ und https://karl-voit.at/2023/03/05/TOTP-Auswahl/ von Karl verbloggt und haben beim Barcamp Graz 2023 einen Best-Session-Award erhalten. about this event: https://sessions.hack-mas.at/event/zf77xEvjmJogsf4Ce/praxistipps-zur-sicheren-authentifikation

Jetzt auch ausführlich erklärt in deutscher Sprache. Der lange steinige Weg vom Bit in den Äther und zurück. English available.- Übersicht der Arten von Funkgeräten, ihren Eigenschaften und Fähigkeiten mit Fokus auf Datenübertragung (ISM Module, Sprechfunkgeräte, LoRa, vllt bis Bluetooth WLAN DVB-T/C/S und UMTS/LTE)- Bausteine der nachrichtentechnischen Übertragungskette folglich Kodierschritte und ihre Aufgaben (Quell, Kanal, Leitungs)- Golay Implementation nach DO3RB, die versucht möglichst alles möglichst einfach umzusetzen (2MBit/s auf CM0+ @ 48 MHz) bietet Synchronisationsmarker, Fehlerkorrektur und Lauflängenbegrenzung, alles was ISM Module glücklich macht :)Using Coding Theory to get LoRa-like performance from every ISM Radio Transceiver. about this event: https://sessions.hack-mas.at/event/ZF2xn38oXxWTDKHx8/reliable-radio-communications

about this event: https://c3voc.de

about this event: https://programm.froscon.org/2024/events/3162.html

Nach der obligatorischen Einführung geht der Vortrag auf die verschiedenen Neuerungen in Bareos 23 ein. Hierbei soll es insbesondere um die zum Teil sehr deutlichen Performance-Verbesserungen gehen, die wir erreichen konnten. Im Anschluss gibt es noch einen Einblick in die aktuelle Entwicklung neuer Backends für deduplizierende Speichersysteme und die flexible Objektspeicher-Anbindung, die Voraussichtlich mit Bareos 24 veröffentlicht werden. Als Backup-Software steht Bareos vor der Herausforderung, dass immer mehr Daten von immer schnelleren Speichersystemen über immer schnellere Netzwerke gesichert werden müssen. Hier hat Bareos 23 durch verschiedene Verbesserungen viele der historisch bedingten Defizite aufgeholt. Der Vortrag geht u.a. darauf ein wie der File Daemon nun Aufgaben parallel verarbeitet und an welchen Stellen es immer noch an verschiedenen Stellen Potenzial für weitere Verbesserungen gibt. Es gibt seit etlichen Jahren den Wunsch deduplizieren zu können. Hier entwickeln wir im Moment ein modernisiertes Speicherformat, dass es erlaubt die gesichertern Daten storageseitig zu deduplizieren. Darüber hinaus arbeiten wir daran das S3-Backend, dass aktuell auf der in die Jahre gekommenen libdroplet basiert, durch ein neues und deutlich flexibleres Backend zu ersetzen. about this event: https://programm.froscon.org/2024/events/3104.html

ESP-NOW ist ein drahtloses Kommunikationsprotokoll, welches die Firma Expressif für ihre eigenen WLAN-Chips entwickelt hat. Das schlanke Protokoll ermöglicht einen schnellen und ressourcenschonenden Datenverkehr zwischen den Netzwerkteilnehmern. Gerade diese Eigenschaften macht diese Technologie für batteriebetriebene Geräte interessant. Das Vernetzen von Geräten untereinander ist heute quasi Standard. In den allermeisten Fällen wird dabei TCP als Netzwerkprotokoll verwendet. Um aber z.B. via TCP eine Verbindung aufbauen und Daten austauschen zu können, sind eine Reihe von Schritten notwendig, welche, je nach Gegebenheiten, lange dauern und unter Umständen auch rechenintensiv sind. Erfolgt dann noch die Übertragung der Daten kabellos, merkt man schnell, wie stromhungrig Funktechnik sein kann. Diese Dinge erschweren die Entwicklung batteriebetriebener WLAN-Geräte erheblich. Im Rahmen dieses Vortrages wird erklärt, warum dies so ist und ESP-NOW wird, als alternatives Netzwerkprotokoll, dem gegenübergestellt. Schnell wird klar werden, warum ESP-NOW eine echte Alternative für den kabellosen Datenaustausch batteriebetriebener Geräte ist. Um sich nicht ganz in langweiligen theoretischen Tiefen zu verlieren, erfolgt ein Teil der Vergleiche mit Hilfe von konkret gemessenen Kennzahlen aus einem Sensor-Projekt des Autors mit verschiedenen Evolutionsstufen. about this event: https://programm.froscon.org/2024/events/3047.html

Ein kurzer Überblick zu Manjaro als Distribution basierend auf Arch Linux und unsere Pläne für die Zukunft. Manjaro ist eine bekannte und viel genutzte Linux Distribution basierend auf Arch Linux. In den vergangen Monaten gab es tiefgreifende Veränderungen über die dieser Vortrag einen Überblick gibt sowie unsere Pläne für die nächsten Jahre darlegt. Hierbei wird sowohl auf technische Veränderungen und Projekte als auch auf zukünftige Open Source Produkte und Service im Umfeld von Manjaro eingegangen. about this event: https://programm.froscon.org/2024/events/3210.html

In diesem Vortrag stelle ich eine von mir entwicklete semiprofessionelle Speicherprogrammierbare Steuerung vor. Jeder kann diese Steuerung selber aufbauen und nach seinen Wünschen anpassen. Sie ist bereits in mehreren Projekten im Produktiveinsatz. Kann direkt an das Raspberry PI angeschlossen werden. Die Steuerung lässt sich in ein Standardgehäuse einbauen. In diesem Vortrag werde ich das von mir entwickelte Jackalope etwas genauer vorstellen. Es handelt sich um eine semiprofessionelle Speicherprogrammierbare Steuerung die frei programmiert werden kann. Der Anschluss erfolgt über den Seriellen Port direkt an das Raspberry PI auch die Stromversorgung erfolgt über das RPI oder das RPI wird über die Steuerung versorgt.<br> Alternativ lässt sich die Steuerung über einen seriellen Port direkt an jeden PC anschliessen. <br> Es stehen eine grosse Menge an Anschlüssen zur Verfügung: <ul> <li>6x Digital Ausgang über Relaiskontakt (Schließer 60 Volt 1A)</li> <li>8x Digital Eingang über Optokoppler 3-30 Volt</li> <li>2x Analog Eingang mit Spannungsvorteiler (Wandler 1 und 2)</li> <li>2x Analog Eingang über Operationsverstärker (Verstärkung 1-40 über Poti einstellbar) (Wandler 3 und 4)</li> <li>1x Analog Eingang über Messverstärker AD620</li> <li>2x Analog Ausgang 0-5 Volt mit 12 Bit Auflösung</li> <li>433 MHz Funk zum schalten von Funksteckdosen (Intertechno)</li> <li>Kopplung von bis zu 60 dieser Steuerungen über Funk</li> </ul> Die Firmware ist OpenSource, fertig ausentwickelt und im Produktiveinsatz getestet! Weitere Informationen, Fotos und die Aufbauanleitung findet ihr auf der Projekthomepage: <a href="https://wiki.lochraster.org/wiki/Jackalope.html">Jackalope SPS Projekt Homepage</a> about this event: https://programm.froscon.org/2024/events/3211.html

Ist es möglich die Versprechen kommerzieller Anbieter im Bereich der Mail-Security auch mit verfügbarer Open-Source Software umzusetzen? Wir glauben das ist möglich und möchten euch dafür das Anti-Spam Mail-Framework Rspamd näher vorstellen. Kommerzielle Anbieter von Mail-Appliances nutzen gern das Buzzword Enterprise und viele Weitere, um ihre Produkte zu beschreiben. Die Frage ist: Was bedeutet das überhaupt? Und kann ich eine wirksame Mail-Security-Infrastruktur noch auf meinen eigenen Servern mit Open-Source und vielleicht sogar ohne eine "Cloud" betreiben? Mit Rspamd haben wir ein Mail-Framework in der Hand, das viele Enterprise Buzzwords selbst abbilden kann (oder könnte) und zusammen mit weiteren Diensten eine sehr gute Lösung bietet. In unserem Vortrag schauen wir uns die Buzzwords der kommerziellen Anbieter genauer an und zeigen euch mit welchen Mitteln diese im Rspamd umgesetzt werden können. Außerdem möchten wir euch zeigen was Rspamd zu einer einzigartigen Lösung im Open-Source Mail-Security Bereich macht. about this event: https://programm.froscon.org/2024/events/3131.html

“Stable Diffusion" generiert Bilder aus Texteingaben und ist seit Ende August 2022 für alle quelloffen verfügbar. Stehen wir vor einer Revolution der Bilder und dem „Ende der Kunst“? Wir diskutieren Funktionsweise und Ökosystem, Copyright, soziale und gesellschaftliche Auswirkungen sowie die Kunst des “Prompting”. Der Vortrag soll einen Einstieg und die nötigen Hinweise geben, um selbst Bilder generieren zu können. Themen sind Funktionsweise, Varianten wie Text-to-Image, Image-to-Image und ControlNet, Auswirkung von Modellen und Seeds sowie das Prompting. Es geht auch um das rasant wachsende Ökosystem und die möglichen Einsatzmöglichkeiten. Die aktuellen Entwicklungen und zu erwartenden Neuerungen sowie gesellschaftliche Auswirkungen sind weitere Themen. Um direkt selbst einsteigen zu können, zeige ich die Nutzung von stable horde (crowdsourced distributed computing) about this event: https://programm.froscon.org/2024/events/3090.html

Building a product with an entirely open-source software stack is still challenging at best - sometimes even infeasible. The past has shown that vulnerabilities in closed-source components may be exploited by attackers to undermine the security of a system. Attackers invest a considerable amount of effort and expertise into reverse-engineering these components to uncover complex vulnerabilities. Manufacturers that rely on closed source components oftentimes have neither the resources not the expertise to perform the same level of auditing. This imbalance leads to security issues in the final product that may directly impact its users. The cwe_checker is an open-source research prototype that performs static analysis of binary code to find potential vulnerabilities. It currently supports the analysis of Linux user space programs and kernel modules as well as bare-metal firmwares. Our goal is to reduce the time and expertise needed by vendors to thoroughly audit their closed-source dependencies. The talk will start with a short introduction to the general problem area, as outlined in the abstract, and proceed by introducing the goals behind the cwe_checker. It continues with a presentation of the idea, requirements, and high-level architecture of the cwe_checker. In its main part, the talk will walk through the development of a simple data-flow analysis that detects instances of CWE252 (Unchecked Return Value). It will cover both, conceptual aspects behind the static analysis algorithm and the concrete code that implements it using the internal cwe_checker APIs. Finally, the algorithm will be used to find unchecked return values of `copy_from_user`, a programming error that is almost certainly exploitable, in non-upstream Linux device drivers taken from embedded device firmware images. To conclude the talk, an overview of other available analyses as well as possible directions for future research will be given. Students interested in Rust and program analysis are invited to contact us for thesis projects and internship opportunities. External contributions to the cwe_checker have unfortunately been uncommon due to the steep learning curve and absence of walkthrough-style documentation. (There is detailed rustdoc documentation of all APIs.) It is hoped that this talk will equip interested listeners with information to start developing their own analysis ideas within the cwe_checker. about this event: https://programm.froscon.org/2024/events/3064.html