The Semantic Web – ISWC 2011 10th International Semantic Web Conference, Bonn, Germany, October 23-27, 2011, Proceedings, Part II - Aroyo, Lora; Welty, Chris; Alani, Harith; Taylor, Jamie; Bernstein, Abraham; Kagal, Lalana; Noy, Natasha; Blomqvist, Eva (Springer Berlin Heidelberg : Imprint: Springer, 2011)