Processing Aggregate Queries in a Federation of SPARQL Endpoints.
Dilshod IbragimovKatja HoseTorben Bach PedersenEsteban ZimányiPublished in: ESWC (2015)
Keyphrases
- endpoints
- aggregate queries
- data cube
- probabilistic xml
- query processing
- aggregation functions
- efficient computation
- line segments
- query language
- minimal paths
- data model
- linked data
- query optimization
- sparql queries
- query answers
- hough transform
- storage and retrieval
- approximate answers
- intelligent agents
- semantic web