semQA: SPARQL with Idempotent Disjunction.
E. Patrick ShironoshitaYves R. Jean-MaryRay M. BradleyMansur R. KabukaPublished in: IEEE Trans. Knowl. Data Eng. (2009)
Keyphrases
- query language
- linked data
- rdf data
- semantic web
- data model
- sparql queries
- query optimization
- geometrical interpretation
- query engine
- morphological operators
- graph pattern matching
- arc consistency
- semantics of logic programs
- range searching
- rdf graphs
- query evaluation
- metadata
- knowledge base
- information systems
- databases
- graph patterns
- website
- database