Querying incomplete information in RDF with SPARQL.
Charalampos NikolaouManolis KoubarakisPublished in: Artif. Intell. (2016)
Keyphrases
- incomplete information
- rdf data
- sparql queries
- rdf graphs
- query language
- semantic web
- storage and retrieval
- data model
- linked data
- resource description framework
- web resources
- autonomous agents
- query processing
- partial information
- relational algebra
- relational model
- missing information
- graph patterns
- query engine
- regular expressions
- semantic web data
- query answering
- expressive power
- first order logic
- graph databases
- query optimization
- databases
- query execution
- query evaluation
- repeated games
- linked open data
- data integration
- knowledge representation
- null values
- data sources
- open world
- cooperative