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WWW
2007
ACM
14 years 9 months ago
Expertise networks in online communities: structure and algorithms
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...
Jun Zhang, Mark S. Ackerman, Lada A. Adamic
WWW
2006
ACM
14 years 9 months ago
Invisible participants: how cultural capital relates to lurking behavior
The asymmetry of activity in virtual communities is of great interest. While participation in the activities of virtual communities is crucial for a community's survival and ...
Vladimir Soroka, Sheizaf Rafaeli
WWW
2005
ACM
14 years 9 months ago
An abuse-free fair contract signing protocol based on the RSA signature
A fair contract signing protocol allows two potentially mistrusted parities to exchange their commitments (i.e., digital signatures) to an agreed contract over the Internet in a f...
Guilin Wang
WWW
2003
ACM
14 years 9 months ago
?-Queries: enabling querying for semantic associations on the semantic web
This paper presents the notion of Semantic Associations as complex relationships between resource entities. These relationships capture both a connectivity of entities as well as ...
Kemafor Anyanwu, Amit P. Sheth
WWW
2003
ACM
14 years 9 months ago
SweetDeal: representing agent contracts with exceptions using XML rules, ontologies, and process descriptions
SweetDeal is a rule-based approach to representation of business contracts that enables software agents to create, evaluate, negotiate, and execute contracts with substantial auto...
Benjamin N. Grosof, Terrence C. Poon