Natural language querying of databases: an information extraction approach in the conceptual query language.
Vesper OweiPublished in: Int. J. Hum. Comput. Stud. (2000)
Keyphrases
- query language
- information extraction
- databases
- natural language
- data model
- database
- natural language processing
- conceptual model
- query interface
- expressive power
- question answering
- spatio temporal databases
- relational algebra
- object oriented
- machine learning
- machine translation
- precision and recall
- semi structured
- text mining
- query evaluation
- efficient query evaluation
- information retrieval
- named entity recognition
- entity relationship
- named entities
- free text
- xml data
- relation extraction
- relational databases
- knowledge discovery
- database applications
- structured data
- data types
- knowledge representation
- temporal queries
- data integration
- data extraction
- conjunctive queries
- graph databases
- data retrieval
- text summarization
- language processing
- natural language text
- regular expressions
- data management
- natural language interface
- transitive closure
- xml documents
- visual query language
- database querying
- conceptual representation
- recursive queries
- data warehouse
- natural language generation
- database queries
- database management systems
- temporal databases
- metadata
- semantic analysis
- knowledge structures