Beyond Well-Designed SPARQL
SPARQL is the standard query language for RDF data. The distinctive feature of SPARQL is the OPTIONAL operator, which allows for partial answers when complete answers are not available due to lack of information. However, optional matching is computationally expensive—query answering is PSPACE-compl...
Main Authors: | , |
---|---|
Format: | Conference item |
Published: |
Dagstuhl Publishing
2015
|