We discover communities from social network data, and analyze the community evolution. These communities are inherent characteristics of human interaction in online social network...
Yu-Ru Lin, Yun Chi, Shenghuo Zhu, Hari Sundaram, B...
PageRank is defined as the stationary state of a Markov chain. The chain is obtained by perturbing the transition matrix induced by a web graph with a damping factor that spreads...
iMobile is a platform that addresses the research issues in building mobile services. iMobile acts as a message gateway that allows mobile devices using various protocols on diffe...
Herman Chung-Hwa Rao, Yih-Farn Chen, Di-Fa Chang, ...
Separation of Duty Constraints David Basin1 , Samuel J. Burri1,2 , and G?unter Karjoth2 1 ETH Zurich, Department of Computer Science, Switzerland 2 IBM Research, Zurich Research La...
This paper addresses the problem of monitoring the k nearest neighbors to a dynamically changing path in road networks. Given a destination where a user is going to, this new quer...
Zaiben Chen, Heng Tao Shen, Xiaofang Zhou, Jeffrey...