R. Pichler:
"Certain Answers to Well-Designed SPARQL Queries";
Talk: Dagstuhl Seminar 14331: "Querying and Reasoning Under Expressive Constraints", Dagstuhl (invited); 2014-08-11 - 2014-08-14; in: "Dagstuhl Reports 4(8)", (2014), ISSN: 2192-5283; 15 - 16.
SPARQL
Project Head Reinhard Pichler:
SEE: SPARQL Evaluation and Extensions