Keyphrases
- rdf graphs
- constraint satisfaction problems
- metadata
- containment of conjunctive queries
- data quality
- scientific workflows
- provenance information
- semantic web
- data structure
- query language
- relational databases
- fine grained
- linked data
- using semantic web technologies
- rdf data
- data provenance
- query evaluation
- storage and retrieval
- data mining
- search algorithm
- multi agent
- machine learning