17. GIS 2009 Workshop on Location Based Social Networks: Seattle, Washington, USA

Xiaofang Zhou, Xing Xie (Eds.): Proceedings of the 2009 International Workshop on Location Based Social Networks, LBSN 2009, November 3, 2009, Seattle, Washington, USA, Proceedings. ACM 2009, ISBN 978-1-60558-860-5

Understanding users in LBSN

Chih-Chieh Hung, Chih-Wen Chang, Wen-Chih Peng:
Mining trajectory profiles for discovering user communities. 1-8
Kazuki Kodama, Yuichi Iijima, Xi Guo, Yoshiharu Ishikawa:
Skyline queries based on user locations and preferences for making location-based recommendations. 9-16
Vincent Wenchen Zheng, Yu Zheng, Qiang Yang:
Joint learning user's activities and profiles from GPS data. 17-20
Daisuke Yamamoto, Itsu Takumi, Hiroshi Matsuo:
Location-based social network services employing student cards for university. 21-24

Understanding trajectories in LBSN

Kexin Xie, Ke Deng, Xiaofang Zhou:
From trajectories to activities: a spatio-temporal join approach. 25-32
Yukun Chen, Kai Jiang, Yu Zheng, Chunping Li, Nenghai Yu:
Trajectory simplification method for location-based social networking services. 33-40
Guangzhong Sun, Zhong Zhang, Jing Yuan:
An efficient pre-computation technique for approximation KNN search in road networks. 41-44
Handong Wang, Haixiang Zou, Yang Yue, Qingquan Li:
Visualizing hot spot analysis result based on mashup. 45-48

Understanding multimedia in LBSN

Dong-Po Deng, Tyng-Ruey Chuang, Rob Lemmens:
Conceptualization of place via spatial clustering and co-occurrence analysis. 49-56
Daniel Leung, Shawn Newsam:
Proximate sensing using georeferenced community contributed photo collections. 57-64
Xin Lu, Yanwei Pang, Qiang Hao, Lei Zhang:
Visualizing textual travelogue with location-relevant images. 65-68
Kazutoshi Sumiya:
Less-conscious information retrieval techniques for location based services. 69-72

Applications of LBSN

Bertrand De Longueville, Robin S. Smith, Gianluca Luraschi:
"OMG, from here, I can see the flames!": a use case of mining location based social networks to acquire spatio-temporal data on forest fires. 73-80
Hassan A. Karimi, Benjamin Zimmerman, Alper Ozcelik, Duangduen Roongpiboonsopit:
SoNavNet: a framework for social navigation networks. 81-87
Edward Pultar, Martin Raubal:
A case for space: physical and virtual location requirements in the CouchSurfing social network. 88-91
Tobias Lange, Marek Kowalkiewicz, Thomas Springer, Tobias Raub:
Overcoming challenges in delivering services to social networks in location centric scenarios. 92-95

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