| June 2015 | Vol. 38 No. 2 |
IEEE Computer Society
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Letters |
| Letter from the Editor-in-Chief | David Lomet | 1 |
| Letter from the Special Issue Editor | Xiaofang Zhou | 2 |
Special Issue on Location-based Social Media Analysis |
| Discovering Location Information in Social Media | Fred Morstatter, Huiji Gao, Huan Liu | 4 |
| Inferring Real-World Relationships from Spatiotemporal Data | Cyrus Shahabi, Huy Pham | 14 |
| Go Beyond Raw Trajectory Data: Quality and Semantics | Kai Zheng, Han Su | 27 |
| Mining Location-based Social Networks: A Predictive Perspective |   |
| Defu Lian, Xing Xie, Fuzheng Zhang, Nicholas J. Yuan, Tao Zhou, Yong Rui | 35 |
| Clustering in Geo-Social Networks | Dingming Wu, Nikos Mamoulis, Jieming Shi | 47 |
| Space-Time Aware Behavioral Topic Modeling for Microblog Posts |   |
| Qiang Qu, Cen Chen, Christian S. Jensen, Anders Skovsgaard | 58 |
| Taqreer: A System for Spatio-temporal Analysis on Microblogs | Amr Magdy, Mashaal Musleh, Kareem Tarek, |   |
| Louai Alarabi, Saif Al-Harthi, Hicham G. Elmongui, Thanaa M. Ghanem, Sohaib Ghani, Mohamed F. Mokbel | 68 |
Announcements and Notices |
| TCDE Membership Form | backcover |