157 citations · 185 across the 9 of their papers we have counts for
Showing 2016 · cs.DBShow all
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cs.DB2016★ 3 cited
Correlation and Substitution in SPARQL
Daniel Hernández, Claudio Gutierrez, Renzo Angles
In the current SPARQL specification the notion of correlation and substitution are not well defined. This problem triggers several ambiguities in the semantics. In fact, implementa…
cs.DB2016
Negation in SPARQL
Renzo Angles, Claudio Gutierrez
This paper presents a thorough study of negation in SPARQL. The types of negation supported in SPARQL are identified and their main features discussed. Then, we study the expressiv…