Encyclopedia of GIS

2017 Edition
| Editors: Shashi Shekhar, Hui Xiong, Xun Zhou

GeoSocial Data Analytics

  • Cyrus ShahabiEmail author
  • Huy Van Pham
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-17885-1_1566

Definition

The ubiquity of mobile devices has enabled Location-Based Social Networks (LBSN), such as Foursquare and Twitter, to collect large datasets of people’s locations, which tell who has been where and when. Such a collection of people’s locations over time (aka spatiotemporal data) is a rich source of information for studying various social behaviors. One particular behavior that has gained considerable attention in research and has numerous online applications is whether social relationships among people can be inferred from spatiotemporal data and how to estimate the strength of each relationship quantitatively (aka social strength ). The intuition is that if two people have been to the same places at the same time (aka co-occurrences ), there is a good chance that they are socially related. Thus, the goal is to derive the implicitsocial network of people and the social strength from their real-world...

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.Computer Science DepartmentUniversity of Southern CaliforniaLos AngelesUSA
  2. 2.Information Laboratory (InfoLab), Computer Science DepartmentUniversity of Southern CaliforniaLos AngelesUSA