Tag: LBSN

  • Do people communicate about their whereabouts? Investigating the relation between user-generated text messages and Foursquare check-in places

    The social functionality of places (e.g. school, restaurant) partly determines human behaviors and reflects a region’s functional configuration. Semantic descriptions of places are thus valuable to a range of studies of humans and geographic spaces. Assuming their potential impacts on human verbalization behaviors, one possibility is to link the functions of places to verbal representations…

  • Wisdom of the Crowd from LBSN: PhD Defence of Ming Li

    Last Thursday our GIScience HD team member Ming Li successfully defended her PhD. The thesis is entitled “Leveraging the Wisdom of the Crowd from Location-based Social Networks: Theoretical Potentials and Practical Applications”. Thanks to the technical advancements, the mobile users all over the world are collaborating in the location-based social networks (LBSNs) to create a…

  • Human Dynamics in the Mobile and Big Data Era

    The Special Issue: Human Dynamics in the Mobile and Big Data Era of the International Journal of Geographical Information Science (IJGIS), Volume 30, Issue 9 is now available online on Taylor & Francis Online. This issue includes our article: Exploration of spatiotemporal and semantic clusters of Twitter data using unsupervised neural networks Enrico Steiger, Bernd…

  • Keynote on VGI & Social Media for LBS at International Conference on Location Based Services 2015

    The 12th International Symposium on Location Based Services 2015 (LBS 2015) will take place this year in Augsburg (Germany), on Sept. 16-18, 2015. Prof. Dr. Alexander Zipf is one of the invited keynote speakers and will give a talk about “Enriching Location Based Services with VGI and Social Media” on Thursday, 17/Sep/2015 (1:45pm – 2:30pm).…

  • Analyzing public transport flows from uncertain social media

    The growing number of mobile devices equipped with GPS sensors having broadband internet access, allow users to actively participate and create content through mobile applications and location based services. Whether users are uploading geotagged photos via Flickr or Instagram, checking in at a venue with Foursquare or commenting on a local event via Twitter. These…