Kaminski, M., Kostylev, E., & Cuenca Grau, B. (2015). Semantics and expressive power of subqueries and aggregates in SPARQL 1.1. Association for Computing Machinery.
Lua i Stíl Chicago (17ú heag.)Kaminski, M., E. Kostylev, agus B. Cuenca Grau. Semantics and Expressive Power of Subqueries and Aggregates in SPARQL 1.1. Association for Computing Machinery, 2015.
Lua MLA (9ú heag.)Kaminski, M., et al. Semantics and Expressive Power of Subqueries and Aggregates in SPARQL 1.1. Association for Computing Machinery, 2015.
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