Keyphrases
- semantic web data
- semantic web
- sparql queries
- rdf data
- resource description framework
- linked data
- query language
- metadata
- semantic annotation
- data model
- query optimization
- cost model
- linked open data
- description logics
- relational algebra
- knowledge representation
- query engine
- natural language
- machine learning
- knowledge management
- graph model
- storage and retrieval
- graph patterns
- semantic data