DBpedia SPARQL Benchmark - Performance Assessment with Real Queries on Real Data - Morsey, Mohamed; Lehmann, Jens; Auer, Sören; Ngonga Ngomo, Axel-Cyrille (The Semantic Web - ISWC 2011 - 10th International Semantic Web Conference, Bonn, Germany, October 23-27, 2011, Proceedings, Part I)