This book constitutes the thoroughly refereedpost-workshop proceedings of the Second
International Workshop on Semantic WebCollaborative Spaces SWCS 2013 held in Montpellier
France in May 2013 andthe Third International Workshop on Semantic Web Collaborative Spaces
SWCS2014 held in Trentino Italy in October 2014. The 6 revised extended papers presented
were carefullyreviewed and selected from 10 submissions. The papers are grouped in
topicalsections on challenges in collaborative spaces modeling collaborativecommunities and
the role of semantics semantic MediaWiki communities andexploiting semantics in collaborative
spaces.
