Category: OSM
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Conceptual compliance analysis with the OpenStreetMap History Database (OSHDB)
Conceptual compliance measures to what degree contributors of volunteered geographic information (VGI) are using proposed tagging-standards. Here, we look into OpenStreetMap (OSM) as the most well-known example for VGI. In OSM the most important tagging guideline is defined by its wiki. In addtion, OSM editors like iD or JOSM provide presets (default options to adhere to tagging standards).…
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A grounding-based ontology of data quality measures
Data quality and fitness for purpose can be assessed by data quality measures. Existing ontologies of data quality dimensions reflect, among others, which aspects of data quality are assessed and the mechanisms that lead to poor data quality. An understanding of which source of information is used to judge about data quality and fitness for…
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GeOnG Conference 2018: Workshop Materials and Slides
After the successful GeOnG conference 2018 in chambery we want to thank the organizers and all participants. We contributed in several ways, as already highlighed in our previous blogpost. Now, we also want to share our slides and workshop material with everyone interested. Round table discussion: Machine Learning, AI & satellite imagery: what impact on…
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HeiGIT at the ‘Fachtagung Katastrophenvorsorge’
Last week the ‘Fachtagung Katastrophenvorsorge‘ took place in Berlin. The annual symposium, organized by the German Red Cross, brings various actors together involved in national and international disaster risk reduction. Our workshop, which we were running together with the Federal Office of Civil Protection and Disaster Assistance (BBK) and the German Aerospace Centre (DLR), focused…
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Explore the ohsome OSM History of whole Germany
Our new ohsome dashboard is another preview on what is and will be possible with our ohsome OpenStreetMap history analytics platform. Behind the scenes, we added support for the Apache Ignite big data framework and deployed an instance using the full OSM history data of whole Germany on Heidelberg University’s cloud computing infrastructure heiCLOUD. Apache Ignite is an open-source…
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EuroGEOSS Workshop: Crowdsourcing Land Use Map Validation
At the recent EuroGEOSS Workshop in Geneva, LandSense researchers from IIASA and Heidelberg University hosted an interactive mapping session to showcase the power of crowdsourcing for map validations as announced earlier. Using the openly available Land Cover Validation Platform (LACO-Wiki), participants collaboratively validated a land use and land cover map of Geneva, which brings together data…
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Jupyter Notebook: Combining Twitter Data and OpenRouteService Directions API
In the case of a disaster fast response is important and life saving. Information on blocked streets is crucial, but a the same time this infornations needs to be considered by routing engines in real-time. However, many routing engines use street network data which is at best updated once a week or even less often.…
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7th International Conference on Cartography & GIS
The 7th International Conference on Cartography & GIS took place at Sozopol (Bulgaria) 18-23 June 2018. It was organized by Bulgarian Cartographic Association, International Cartographic Association and University of Architecture, Civil Engineering and Geodesy (UACEG), Sofia and co-organizers – Military Geographic Service, Bulgaria, and Bulgarian Red Cross. The main topics of the conference were: GIS…
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Openrouteservice.org at INTERGEO 2018
We are happy to announce that we are going to be part of INTERGEO 2018 in Frankfurt this year. This event being the “global hub of the geospatial community” has quite something to offer with hundreds and hundreds of innovative companies showcasing their products and visions. We are joining up with the Federal Agency for…
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Workshop at the ‘Fachtagung Katastrophenvorsorge’
Only two days left to register for the Fachtagung Katastrophenvorsorge in Berlin, 22. – 23. October 2018. Join our workshop on Geoninformation & Disaster Prepardness, which we are running together with the Federal Office of Civil Protection and Disaster Assistance (BBK) and the German Aerospace Centre (DLR). The Symposium is organized by the German Red…
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Analyse HOT Tasking Manager Projects with the ohsome API
Have a look at our new Jupyter notebook which provides a step-by-step introduction how to use the ohsome API. We show you how to analyse the OSM mapping efforts related to a HOT Tasking Manager project in Nepal. The analyzed project 1008 “Nepal Earthquake, 2015, IDP Camps in Kathmandu” was created by Kathmandu Living Labs…