Month: February 2015
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Geographic Feature Mining from VGI – a framework for Geographic Knowledge Discovery
This friday Dipl. Geographer Christian Sengstock successfully defended his PhD thesis in the combined faculty for the natural sciences and mathematics of Heidelberg University. He developed a framework for Geographic Knowledge Discovery from User-Generated data. The thesis was supervised by Prof. Michael Gertz (co-PI at our CrowdAnalyser Graduate School) from the database research group at…
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Special Issue “Earth Observation and Geoinformation Technologies for Sustainable Development”
Dear Colleagues, Earth observation devices and geoinformation technologies, including remote sensing data, platforms, algorithms, geographic information science (GISc), and spatial analysis techniques have played a major role in monitoring the dynamics of our environment and landscape. Additionally, emerging active and passive sensing approaches, such as crowdsourcing, Volunteered Geographic Information (VGI), citizen science (CS), participatory sensing,…
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Major Update for OpenRouteService Backend
Last few months, we have been working hard on a new backend for OpenRouteService.org. The new implementation is much more flexible and faster than before and supports more sophisticated routing profiles. The services are deployed on a new and more powerful server that makes it possible to update routing graphs based on OpenStreetMap data more…
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GIScience group participated in Open Data Day Mannheim
Last Saturday (21/2) the GIScience group Heidelberg was part of the International Open Data Day. Open data enthusiasts all over the world teamed up to create new applications derived from open (not only governmental) data. The local open data day in Mannheim has seen 7 finished projects including Wikipedia edit wars analyses, public transport visualisations,…
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AGILE 2015 Workshop:::”VALID-LAND: assessing the fitness of citizens observatories for LAND cover/use mapping & VALIDation purposes”
Dear colleagues, In addition to our RICHVGI workshop in AGILE 2015, which will be held on June 9, 2015 in Lisbon, we are organizing a hands-on session called “VALID-LAND: Assessing the fitness of citizens observatories for land cover/land use mapping and validation purposes“. We would be delighted to see you joining along with spreading the word. Topics:…
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GIScience HD @ CEBIT 2015: Specialized Routing Services with IBM and HDM-I
Tour-Optimization in the Cloud in cooperation with IBM and Heidelberg Mobil International HDM-I the GIScience Research Group of Heidelberg University presents new approaches and solutions for specialized tour-optimization based on free and open geodata from OpenStreetMap and Cloud-based services in the in the “Cloud Area” at the CEBIT computer fair. These services enable software developers…
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Citizen Science 2015 in San Jose CA
On the 11th and 12th February 2015, the Citizen Science 2015 conference took place in San Jose, California. Two busy days of presentations, symposia and workshops provided a great opportunity to learn about and discuss the latest developments in research and practice this field. Citizen science, which has been around for some time as an…
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Quality analysis of VGI: Our session at the 9th International Symposium on Spatial Data Quality (ISSDQ 2015)
Dear colleagues, we are pleased to announce our session called “Quality analysis of Volunteered Geographic Information (VGI) towards effective use” at the 9th International Symposium on Spatial Data Quality (ISSDQ 2015), which will take place in Montpellier, France, from September 28th to October 3rd 2015. Please consider submitting and presenting your relevant research in the…
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Coverage of OSM highway features with corresponding GPS tracks
As can be seen in the WebGL visualisation of the GPS data collected by the OSM contributors in Heidelberg (reported earlier in this blog), the quantity of recorded GPS tracks along an OSM highway features depends on the feature class. It has already been found before that the GPS data is not equally distributed among…
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OpenMapSurfer maps in QGIS
Using the free and open soruce gis QGIS in work or research, sometimes you might need to visualize spatial data on top of a basemap that is provided through different web interfaces such as WMS, WMTS or TMS service. Generally, this can be accomplished by using either WMS drivers or OpenLayers plugin. Both solutions have…
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Special Issue “Big Data for Urban Informatics and Earth Observation”
Dear Colleagues, The recent availability of big data linked to geographical locations has provided the GIScientists and Remote Sensing scholars a new era of research in for Urban Informatics and Earth Observation. Big data era is far beyond storage and access and by making sense of it, hidden interconnected patterns of data and information can…