Semantics and expressive power of subqueries and aggregates in SPARQL 1.1
Mark Kaminski‚ Egor V. Kostylev and Bernardo Cuenca Grau
Book Title
Proceedings of the 25th International Conference on World Wide Web (WWW 2016)‚ Montreal‚ Canada‚ April 11−15‚ 2016
Pages
227–238
Publisher
ACM
Year
2016