309 search results - page 1 / 62 » Expertise networks in online communities: structure and algo... |
WWW
2007
ACM
14 years 5 months ago
2007
ACM
Web-based communities have become important places for people to seek and share expertise. We find that networks in these communities typically differ in their topology from other...
ICWSM
2008
13 years 6 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...
ADBIS
2011
Springer
12 years 4 months ago
2011
Springer
Abstract. In recent years, the World Wide Web (WWW) has transformed to a gigantic social network where people interact and collaborate in diverse online communities. By using Web 2...
WWW
2009
ACM
14 years 5 months ago
2009
ACM
Social media websites promote diverse user interaction on media objects as well as user actions with respect to other users. The goal of this work is to discover community structu...
INFOCOM
2011
IEEE
12 years 8 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...