—Social networks exhibit a very special property: community structure. Understanding the network community structure is of great advantages. It not only provides helpful informat...
Nam P. Nguyen, Thang N. Dinh, Ying Xuan, My T. Tha...
Emergence of the web and online computing applications gave rise to rich large scale social activity data. One of the principal challenges then is to build models and understandin...
"Witkeys" are websites in China that form a rapidly growing web-based knowledge market. A user who posts a task also offers a small fee, and many other users submit thei...
Abstract. In this paper we examine an emerging class of systems that link People-to-People-toGeographical-Places; we call these P3-Systems. Through analyzing the literature, we hav...
Quentin Jones, Sukeshini A. Grandhi, Loren G. Terv...
The tagging technique has been widely applied in existing Web 2.0 systems, where users label resources with tags for effective classification and efficient retrieval of resource...
Yueguo Chen, Su Chen, Yu Gu, Mei Hui, Feng Li, Che...