WiGis KeyWord: Recommendation system active Active wigis TasteWeights KeyWord: Recommendation system / Trust active Active taste weights SIGMA KeyWord: Network analysis active Active sigma SmallWorlds KeyWord: Recommendation system / Trust active Active small worlds TopicNets KeyWord: Network analysis / Trust active Active topic nets TopicLens KeyWord: Sw / Network analysis / Trust active Active topic lens TwitterCredibility KeyWord: Network analysis / Trust active Active twitter Credibility Wigipedia KeyWord: SW / Network analysis active Active wigipedia PeerChooser KeyWord: Recommendation system inactive Inactive peer chooser Citeseer Vis KeyWord: Recommendation system / Network analysis inactive Inactive Blackbook Vis KeyWord: SW / Network analysis inactive Inactive Alignment WiGi KeyWord: SW / Network analysis inactive Inactive WiGi Jena KeyWord: SW / Network analysis inactive Inactive