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GIScience Blog

Tag: quality analysis

  • Open Position Senior Researcher Volunteered Geographic Information, OSM, LULC

    Stellenausschreibung GIScience Universität Heidelberg Senior Wissenschaftliche(r) Mitarbeiter/-in PostDoc Geoinformatik (100%) Volunteered Geographic Information, OSM, LULC In der Abteilung Geoinformatik der Universität Heidelberg ist baldmöglichst eine Stelle für eine(n) erfahrene(n) wissenschaftl. Mitarbeiter/-in (100%, TV-L), idealerweise promoviert, zu besetzen. Die Aufgaben umfassen v.a. die Mitarbeit in neuen EU HORIZON2020 Forschungsprojekten (z.B. http://www.geog.uni-heidelberg.de/gis/land_sense.html bzw. http://www.geog.uni-heidelberg.de/gis/wegovnow.html ). Die relevanten…

  • A Conceptual VGI Quality Framework – chapter published in ‘Spatial Information Theory’

    Now the book “Spatial Information Theory” has been published in electronic and print format. It includes full papers from the COSIT – CONFERENCE ON SPATIAL INFORMATION THEORY XII 2015, including our paper: Ballatore, A. and Zipf, A. (2015): A Conceptual Quality Framework for Volunteered Geographic Information. In: Fabrikant, S.I., Raubal, M., Bertolotto, M., Davies, C.,…

  • Yet another little Paper Meta-Statistics

    uuuhh, we just realized that we have the most cited papers in both the “ISPRS International Journal of Geographic Information” (IJGI) as well as in the journal “Future Internet” (according to the journals counting). Additionally also in both most cited lists of the two journals we each have a paper on place four. Further two…

  • Temporal Analysis on Contribution Inequality in OpenStreetMap: A Comparative Study for Four Countries

    Contribution inequality widely exists in OpenStreetMap (OSM), which means that most data come from a minority of the contributors, while the majority only accounts for a small percentage of data. This phenomenon is of great importance to understanding from where the data come and how the project evolves. The investigation in a recently published paper…

  • CFP: Link-VGI: LINKing and analyzing Volunteered Geographic Information (VGI) across different platforms, AGILE Workshop, Helsinki

    Link-VGI: Pre-Conference Workshop at 19th AGILE International Conference on Geographic Information Science 2016. Helsinki Announcement and Call for Paper The number of Volunteered Geographic Information (VGI) and social media platforms is continuously growing, providing massive datasets of georeferenced content that is either actively contributed (e.g. adding data to OSM, Mapillary, or Flickr) or collected through…

  • Scientific Computing and Open Data, 10th Modelling Day Heidelberg

    Tomorrow on Dezember 3rd 2015 the “10th Modelling Day” will take place in the “Print Media Academy” in Heidelberg. Start is at 14:00pm. This years overarching topic is “Open Data”. There will be three contributions related to GIScience Heidelberg: – Prof. Dr. Alexander Zipf will talk about “Challenges and Potential of Open Geodata for Geographic…

  • New DFG Project on Data Integration from Location Based Social Networks

    Recently a new project has been accepted to be funded by the Deutsche Forschungsgemeinschaft (DFG). It deals with an agent-based and quality-aware integration of geo-social network data, thus investigating data integration as a collaborative negotiation process. Web-based social networks are now a significant social phenomenon. The user-generated data produced through them, including the location-based data,…

  • A Conceptual Quality Framework for Volunteered Geographic Information @ COSIT 2015 this Tuesday

    The Conference on Spatial Information Theory (COSIT) is taking place this week in Santa Fe, USA. This Tuesday our paper on “A Conceptual Quality Framework for Volunteered Geographic Information” by Andrea Ballatore and Alexander Zipf is being presented there. It outlines new proxy measures to several facets of conceptual quality, including accuracy, granularity, completeness, consistency,…

  • Workshop bridging OSM community and Wheelchair Users

    Our EU project CAP4Access (MyAccessible.EU) has organized a first international expert workshop during the 5th International Congress on “Tourism for All” in Madrid on 23 September, 2015. The 5th International Congress on Tourism for All has been held in Madrid from September 23 to 25. The first CAP4Access international expert workshop was organized during this…

  • GIScience HD @ ISSDQ’15 in France

    CIScience Heidelberg members Dr. Tobias Törnros and Dr. Hongchao Fan attended the ISSDQ’15 (The 9th International Symposium on Spatial Data Quality) from 28 to 30 September 2015 in La Grande Motte, France. Tobias had an excellent talk about uncertainties of completeness measures in OpenStreetMap – A case study for buildings in a medium-sized German city.…

  • Program of our ISSDQ session on “Quality analysis of Volunteered Geographic Information (VGI) towards effective use” is online

    The program of our special session SS1 on “Quality analysis of Volunteered Geographic Information (VGI) towards effective use” at the 9th International Symposium on Spatial Data Quality (ISSDQ 2015) has been published online. ISSDQ is an event at the ISPRS Geospatial Week 2015 in Montpellier – La Grande Motte, France. The session is scheduled on…

  • GIScience Heidelberg @ Intergeo 2015 Stuttgart 15-17 Sept. 2015

    The fair INTERGEO 2015 is taking place in Stuttgart, Germany 15.-17. September 2015. The GIScience Research Group Heidelberg University will be present at the joint booth of the GeoNet.MRN, the Network Geoinformation of the Metropolitain Region Rhine-Neckar. There you will also find further members of the GeoNet.MRN, like the companies Heidelberg Mobil, geomer and Leiner…