id author title date pages extension mime words sentences flesch summary cache txt work_vq4o4zccgfd53pdazesosnsgdm Slawomir Grzonkowski Sharing information across community portals with FOAFRealm 2009.0 7 .pdf application/pdf 3887 279 59 Community portals such as blogs, wikis and photo sharing sites have become the new channels for information information that a particular user has created or bookmarked across this set of portals. sharing information across multiple community portals through a social semantic collaborative filtering system; this collaborative filtering extends a popular "Friend Of A Friend" (FOAF) network; it enables users to share the bookmarks more content is being created by users on "Web 2.0" community portals ranging from pictures on photo album sharing sites to community event information to bookmarks on topics of interest. online social network site users, the growing popularity of other community portal sites such as blogs and Sharing content between disparate community sites using a social network and topics of interest. well as online and offline events that they may have (e.g. the Semantic Web community portal1 uses a 1 Semantic Web Community Portal: http://www.semanticweb.org/ ./cache/work_vq4o4zccgfd53pdazesosnsgdm.pdf ./txt/work_vq4o4zccgfd53pdazesosnsgdm.txt