Semantics and expressive power of subqueries and aggregates in SPARQL 1.1

Answering aggregate queries is a key requirement of emerging applications of Semantic Technologies, such as data warehousing, business intelligence and sensor networks. In order to fulfill the requirements of such applications, the standardisation of SPARQL 1.1 led to the introduction of a wide rang...

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Main Authors: Kaminski, M, Kostylev, E, Cuenca Grau, B
格式: Conference item
出版: Association for Computing Machinery 2015