The Semantic Web: Research and Applications : 7th European Semantic Web Conference, ESWC 2010, Heraklion, Crete, Greece, May 30 - June 3, 2010, Proceedings, Part II - Lora Aroyo, Grigoris Antoniou, Eero Hyvönen, Annette Teije, Heiner Stuckenschmidt, Liliana Cabral, Tania Tudorache ((Lecture Notes in Computer Science))