CNL-RDF-query: a controlled natural language interface for querying ontologies and relational databases.
José Henarejos-BlascoJosé Antonio García-DíazÓscar Apolinario-ArzubeRafael Valencia-GarcíaPublished in: EATIS (2020)
Keyphrases
- relational databases
- semantic query
- rdf data
- rdf graphs
- query interface
- semantic web
- databases
- database
- query engine
- data integration systems
- query processing
- sparql queries
- query language
- visual query language
- data sources
- keyword search
- relational data
- information integration
- topic maps
- linked open data
- deep web
- inference control
- sql queries
- xml databases
- rdf triples
- semantic web data
- knowledge base
- web resources
- relational model
- object oriented
- query evaluation
- storage and retrieval
- database queries
- ontology based data access
- provenance information
- linked data
- relevance feedback
- data model
- keywords
- queries involving
- query rewriting
- normal form
- knowledge representation
- metadata
- xml documents
- owl dl
- semantic web standards
- xml data
- web databases
- domain ontology
- semantic web languages
- boolean queries
- ontology languages
- semantic data
- owl ontologies
- database schema
- user queries
- query optimization
- query answering