Sharing Reputation Across Virtual Communities

Trust and reputation systems for virtual communities are gaining increasing research attention. These systems track members’ activities and obtain their reputation to improve the quality of member interactions and reduce the effect of fraudulent members. As virtual communities become a cen...

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Autores principales:	Gal-Oz,Nurit, Grinshpoun,Tal, Gudes,Ehud
Lenguaje:	English
Publicado:	Universidad de Talca 2010
Materias:	Trust and Reputation Systems Cross-Community Reputation Virtual Communities Infrastructure
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-18762010000200002
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spelling	oai:scielo:S0718-187620100002000022018-10-12Sharing Reputation Across Virtual CommunitiesGal-Oz,NuritGrinshpoun,TalGudes,Ehud Trust and Reputation Systems Cross-Community Reputation Virtual Communities Infrastructure Trust and reputation systems for virtual communities are gaining increasing research attention. These systems track members’ activities and obtain their reputation to improve the quality of member interactions and reduce the effect of fraudulent members. As virtual communities become a central playground for internet users, the reputation a member gains within a community may be viewed as a social credential. These credentials can serve the user as a means for promoting her status in new communities on one hand, and on the other hand assist virtual communities to broaden their knowledge about users with relatively low activity volume. The Cross-Community Reputation (CCR) model was designed for sharing reputation knowledge across communities. The model identifies the fundamental terms that are required for a meaningful sharing of reputation information between communities and proposes methods to make that information sharing feasible within the boundaries of users’ and communities’ policies. This paper presents the CR model and draws the architecture guidelines for designing an infrastructure to support it. The proposed model is evaluated by using a sample of real-world users’ ratings as well as by conducting a dedicated experiment with real users. The results of the experimental evaluation demonstrate the effectiveness of the CCR model in various aspects.info:eu-repo/semantics/openAccessUniversidad de TalcaJournal of theoretical and applied electronic commerce research v.5 n.2 20102010-08-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-18762010000200002en10.4067/S0718-18762010000200002
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Trust and Reputation Systems Cross-Community Reputation Virtual Communities Infrastructure
spellingShingle	Trust and Reputation Systems Cross-Community Reputation Virtual Communities Infrastructure Gal-Oz,Nurit Grinshpoun,Tal Gudes,Ehud Sharing Reputation Across Virtual Communities
description	Trust and reputation systems for virtual communities are gaining increasing research attention. These systems track members’ activities and obtain their reputation to improve the quality of member interactions and reduce the effect of fraudulent members. As virtual communities become a central playground for internet users, the reputation a member gains within a community may be viewed as a social credential. These credentials can serve the user as a means for promoting her status in new communities on one hand, and on the other hand assist virtual communities to broaden their knowledge about users with relatively low activity volume. The Cross-Community Reputation (CCR) model was designed for sharing reputation knowledge across communities. The model identifies the fundamental terms that are required for a meaningful sharing of reputation information between communities and proposes methods to make that information sharing feasible within the boundaries of users’ and communities’ policies. This paper presents the CR model and draws the architecture guidelines for designing an infrastructure to support it. The proposed model is evaluated by using a sample of real-world users’ ratings as well as by conducting a dedicated experiment with real users. The results of the experimental evaluation demonstrate the effectiveness of the CCR model in various aspects.
author	Gal-Oz,Nurit Grinshpoun,Tal Gudes,Ehud
author_facet	Gal-Oz,Nurit Grinshpoun,Tal Gudes,Ehud
author_sort	Gal-Oz,Nurit
title	Sharing Reputation Across Virtual Communities
title_short	Sharing Reputation Across Virtual Communities
title_full	Sharing Reputation Across Virtual Communities
title_fullStr	Sharing Reputation Across Virtual Communities
title_full_unstemmed	Sharing Reputation Across Virtual Communities
title_sort	sharing reputation across virtual communities
publisher	Universidad de Talca
publishDate	2010
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-18762010000200002
work_keys_str_mv	AT galoznurit sharingreputationacrossvirtualcommunities AT grinshpountal sharingreputationacrossvirtualcommunities AT gudesehud sharingreputationacrossvirtualcommunities
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Sharing Reputation Across Virtual Communities

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