Querying over Federated SPARQL Endpoints - A State of the Art Survey.
Nur Aini RakhmawatiJürgen UmbrichMarcel KarnstedtAli HasnainMichael HausenblasPublished in: CoRR (2013)
Keyphrases
- endpoints
- query language
- sparql queries
- rdf data
- query engine
- semantic web
- data model
- query processing
- line segments
- databases
- rdf graphs
- digital libraries
- minimal cost
- linked data
- relational algebra
- query evaluation
- medial axis
- query optimization
- data sources
- storage and retrieval
- data integration
- minimal path
- multimedia databases
- regular expressions
- data collection
- relational databases
- geodesic paths