336 search results - page 15 / 68 » Challenges in Searching Online Communities |
INFOCOM
2011
IEEE
12 years 12 months ago
2011
IEEE
—Social networks exhibit a very special property: community structure. Understanding the network community structure is of great advantages. It not only provides helpful informat...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
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...
ICWSM
2008
13 years 9 months ago
2008
"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...
CSCW
2004
ACM
13 years 8 months ago
2004
ACM
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...
EDBT
2009
ACM
14 years 1 months ago
2009
ACM
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...