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Tag Archive 'social media'

Understanding how citizens interact with transportation system is a key to solving a variety of urban issues in general and traffic congestion in particular. Recently, scholars have put efforts on the pertinent work ranging from developing traffic predictors to understanding human mobility and activity patterns. Multiple types of data have been used, of which crowdsourced [...]

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Last week about 30 scientists from different insitutions from all across Germany came together in Heidelberg to conduct collaborative research. The research week is the result of an intense collaboration within the DFG Priority Programme VGIscience, which deals with the following topics
Information Retrieval and Analysis of VGI:
• information extraction (space, time, semantics)
• data aggregation and [...]

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Modeling the geographic distribution of tourists at a tourist destination is crucial when it comes to enhancing the destination’s resilience to disasters and crises, as it enables the efficient allocation of limited resources to precise geographic locations. Seldom have existing studies explored the geographic distribution of tourists through understanding the mechanisms behind it. A recently [...]

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We cordially invite everybody interested to our next open GIScience colloquium talk
The speaker is Mathias Gröbe
Technical University of Dresden, Department of Geosciences, Institute of Cartography
When: Monday 23.04.2018, 14:15
Where: INF 348, room 015 (Institute of Geography, Heidelberg University)
Micro Diagrams: A Multi-Scale Approach for Geovisual Analysis of Categorised Point Datasets
Location-based social media from different platforms such as Twitter and [...]

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In the era of big data, ubiquitous Flickr geotagged photos have opened a considerable opportunity for discovering valuable geographic information. Point of interest (POI) and region of interest (ROI) are significant reference data that are widely used in geospatial applications. A recently published study (Kuo et al 2018) study aims to develop an efficient method [...]

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The following article is the Top Most Cited Article of the last two years in [...]

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we cordially invite everybody interested to our next open GIScience colloquium talk
Travel History: Reconstructing Travelers Semantic Trajectories Based on Heterogeneous Social Footprints
Amon Veiga Santana
Heidelberg University, Institute of Geography, GIScience Research Group
Time and date: Mon, December 18, 2:15 pm
Venue: INF 348, Room 015, Department of Geography, Heidelberg University
Travel specialized services on the web have increased their sociability [...]

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we cordially invite everybody interested to our next open GIScience colloquium talk
Geospatial Visual Analytics Applications for Predictive Analysis
Dr. Alexandra Diehl
University of Konstanz, Department of Computer and Information Science, Data Analysis and Visualization
Time and date: Mon, December 11, 2:15 pm
Venue: INF 348, Room 015, Department of Geography, Heidelberg University
In this talk, the speaker will introduce her [...]

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we cordially invite everybody interested to our next open GIScience colloquium talk
State of the Art of Event Detection from Geo-tagged Twitter Data
Diao Lin
Chair of Cartography, Technical University of Munich
Time and date: Mon, November 27, 2:15 pm
Venue: INF 348, Room 015, Department of Geography, Heidelberg University
The speaker tries to give a structured and comprehensive overview of [...]

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The current status of ou Healthy Routing research was presented in the SemGeoSoc Workshop hosted by the Zürich University and organized by prominent researchers in the area of geoinformatics. The workshop offered the opportunity for presenting and discussing ongoing work on the areas of location-based services supported by VGI, social media, citizen & science and [...]

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