Semantic Web Evaluation Challenges

Thisbook constitutes the thoroughly refereed post conference proceedings of thesecond edition of the Semantic Web Evaluation Challenge, SemWebEval 2015,co-located with the 12th European Semantic Web conference, held in Portorož,Slovenia, in May/June 2015. This book includes thedescriptions of all methods and tools that competed at SemWebEval 2015,together with a detailed description of the tasks, evaluation procedures anddatasets. The contributions are grouped in the areas: open knowledge extrac