Shqiponja Ahmetaj, Wolfgang Fischl, Markus Kröll, Reinhard Pichler, Mantas Simkus, Sebastian Skritek. The Challenge of Optional Matching in SPARQL. In Marc Gyssens, Guillermo Ricardo Simari, editors, Foundations of Information and Knowledge Systems - 9th International Symposium, FoIKS 2016, Linz, Austria, March 7-11, 2016. Proceedings. Volume 9616 of Lecture Notes in Computer Science, pages 169-190, Springer, 2016. [doi]
Abstract is missing.