On Relaxing Failing Queries over RDF Databases.
Wafaa MebrekBadran RaddaouiMohamad AlbilaniPublished in: IEEE BigData (2019)
Keyphrases
- databases
- data sources
- query language
- database
- rdf data
- database queries
- data model
- query processing
- sparql queries
- provenance information
- query evaluation
- data retrieval
- metadata
- web databases
- relational database systems
- database systems
- data integration
- web search engines
- relational databases
- query engine
- efficient processing
- query interface
- rdf graphs
- formal semantics
- relational database management systems
- data warehouse
- indexing techniques
- semantic query
- knowledge discovery
- range queries
- user queries
- database applications
- data management
- query patterns
- approximate matches
- answering queries
- markup language
- statistical databases
- relational data
- database management systems
- semantic web