Queries with negation and inequalities over lightweight ontologies.
Víctor Gutiérrez-BasultoYazmín Angélica Ibáñez-GarcíaRoman KontchakovEgor V. KostylevPublished in: J. Web Semant. (2015)
Keyphrases
- lightweight
- semantic query
- query language
- query processing
- web search engines
- semantic web
- query evaluation
- knowledge base
- databases
- database systems
- containment of conjunctive queries
- rfid tags
- database queries
- user queries
- relational databases
- domain ontology
- knowledge representation
- wireless sensor networks
- data sources
- tree patterns
- ontology mapping
- rdf data
- authentication protocol
- logic programs
- web search