@inproceedings{Lopes10a,
 Author = {Nuno Lopes, Axel Polleres, Umberto Straccia and Antoine Zimmermann},
 Booktitle = {Proceedings of the International Semantic Web Conference (ISWC-10)},
 Number = {6496},
 Pages = {518-533},
 Publisher = {Springer-Verlag},
 Series = {Lecture Notes in Computer Science},
 Title = {AnQL: SPARQLing Up Annotated RDF}, 
 Year = {2010}}