Introducing Wild-card and Negation for Optimizing SPARQL Queries based on Rewriting RDF Graph and SPARQL Queries.
Faisal AlkhateebPublished in: WEBIST (2) (2016)
Keyphrases
- sparql queries
- rewriting rules
- rdf graphs
- rdf data
- relational algebra
- graph model
- query optimization
- query formulation
- query language
- cost model
- sql queries
- semantic web
- normal form
- query processing
- graph patterns
- integrity constraints
- databases
- query evaluation
- functional dependencies
- query patterns
- data model
- expressive power