309 search results - page 7 / 62 » Expertise networks in online communities: structure and algo... |
HICSS
2009
IEEE
14 years 2 months ago
2009
IEEE
Both online and off, people frequently perform particular social roles. These roles organize behavior and give structure to positions in local networks. As more of social life bec...
IIE
2008
13 years 7 months ago
2008
Abstract. An exploratory study of students' engagement in online learning and knowledge building is presented in this paper. Learning in an online community, composed of stude...
WWW
2006
ACM
14 years 8 months ago
2006
ACM
In this paper we consider the types of community networks that are most often codified within the Semantic Web. We propose the recognition of a new structure which fulfils the def...
ACMSE
2006
ACM
14 years 1 months ago
2006
ACM
We propose an efficient and novel approach for discovering communities in real-world random networks. Communities are formed by subsets of nodes in a graph, which are closely rela...
KDD
2009
ACM
14 years 2 days ago
2009
ACM
This paper aims at discovering community structure in rich media social networks, through analysis of time-varying, multi-relational data. Community structure represents the laten...