Keyphrases
- incomplete information
- semantic web
- open world
- partial information
- linked data
- metadata
- autonomous agents
- query answering
- rdf data
- missing information
- rdf graphs
- query language
- relational model
- possibility theory
- databases
- semantic data
- linked open data
- data model
- knowledge base
- data sources
- sparql queries
- formal semantics
- repeated games