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GIScience Blog

Category: Research

  • A Conceptual Quality Framework for Volunteered Geographic Information (VGI)

    The assessment of the quality of volunteered geographic information (VGI) is cornerstone to understand the fitness for purpose of VGI in many application domains. Most analyses focus on the geometric and positional quality, and only sporadic attention has been devoted to the interpretation of the data, i.e., the communication process through which consumers try to…

  • First Arctic Expedition for 3D Earth Observation of Permafrost (Mackenzie Delta, Canada) within our PermaSAR Project

    In June 2015 the LiDAR Research Group (LRG), Heidelberg University, performed a joint expedition with the Alfred-Wegener Institute (AWI). This was our first field expedition within the PermaSAR research project, which is funded by the BMWi / German Aerospace Center (DLR) from 2015 to 2018. The project PermaSAR aims at developing a novel method for…

  • How to find the fastest way out of a dense human crowd using your smartphone?

    In our research “Routing in Dense Human Crowds Using Smartphone Movement Data and Optical Aerial Imagery“, we propose a navigation approach for smartphones that enables visitors of major events to avoid crowded areas or narrow streets and to navigate out of dense crowds quickly. Two types of sensor data are integrated. Real-time optical images acquired…

  • AGILE 2015 conference (and third place poster award)

    Last week saw the 18th AGILE conference being held in Lisbon, Portugal. Starting on Tuesday with a number of parallel workshops, the conference ran until Friday and included a number of interesting talks, key note sessions and a number of social events. The presence of GIScience at Heidelberg University was felt through two workshops being…

  • Crowdsourcing Accessibility Information – Talk at University of Education Heidelberg

    Yesterday, a talk was given by Stefan Hahmann within the frame of the colloquium series of the geography department at Heidelberg University of Education. The talk was entitled “Crowdsourcing for individual needs – the example of wheelchair routing“. Besides a general introduction to the field of crowdsourcing, VGI and OpenStreetMap, our research and development activities…

  • MayaArch3D Closing Meeting 4th/5th of June 2015 at DAI-KAAK, Bonn

    The MayaArch3D project held its final closing meeting at the German Archaeological Institute in Bonn from the 4th to the 5th of June 2015. Two days of discussions and presentations demonstrated the results of the 3-year BMBF (German Ministry of Education and Research) funded project “MayaArch3D – A Web-based 3D-GIS for the Analysis of the…

  • Invitation to GIScience Colloquium: An Agent-Based Model of Individual and Collective Place Formation

    We cordially invite any interested person to the next GIScience Heidelberg colloquium presentation this week on Thursday, 18 June 2015, 2.00 p.m. in the Lecture Hall, Institute of Geography, Heidelberg University, Berliner Str. 48, 69120 HD. The title of the talk is “An Agent-Based Model of Individual and Collective Place Formation” and will be given…

  • An Advanced Systematic Literature Review on Spatiotemporal Analyses of Twitter Data

    Recently an Advanced Systematic Literature Review on Spatiotemporal Analyses of Twitter Data has been conducted and the results have been published online as journal article. This article presents a systematic literature review on the state of research concerning methodologies, applications and use cases of Twitter as a Location-Based Social Network. The proposed systematic literature review…

  • Bernd Resch receives Theodor-Körner Award

    At a ceremony at the University of Vienna Bernd Resch (Heidelberg University and University of Salzburg) received the Theodor-Körner Award in the category of medicine, natural sciences and technology. The Price was awarded by the Austrian Ministry of Transportation, Innovation and Technology (bmvit). In his work, Bernd Resch focuses on assessing human emotions with a…

  • Andreas Reimer successfully defends his PhD on Cartographic Modeling for Automated Map Generation

    Last week our GIScience team member Dr. Andreas Reimer successfully defended his PhD at TU Eindhoven (Promotor: Prof. Dr. Bettina Speckmann, Eindhoven and Co-promotor: Prof. Dr. W.A. Mackaness, Edinburgh). The topic of the PhD thesis was “Cartographic modelling for automated map generation” and includes a range of fascinating research on cartography, ranging from schematizing and…

  • Report on Human Sensor and Geographic Information Systems for Disaster Risk Management (HSenSIG) training school

    On the dates of 11 to 15th of May, the European Commission (COST Action TD1202: Mapping and the Citizen Sensor) organized a training school on Human Sensor and Geographic Information Systems for Disaster Risk Management (HSenSIG) hosted by the Institute for Systems Engineering and Computers at University of Coimbra, Portugal. Our colleague, Prof. João Porto Albuquerque was invited…

  • Pairwise Line Labeling of Geographic Boundaries

    We present an algorithm that labels linear features with two matched toponyms describing the left and the right side of a line, respectively. Such a pairwise line labeling is a common technique used in manually produced maps (see Figure 1). The lines differentiate administrative divisions or other geographic subdivisions. The proposed method can be used…