Relational Interface for Natural Language-Based Information Sources

Zenshiro KAWASAKI  Keiji SHIBATA  Masato TAJIMA  

Publication
IEICE TRANSACTIONS on Information and Systems   Vol.E86-D   No.6   pp.1139-1143
Publication Date: 2003/06/01
Online ISSN: 
DOI: 
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Databases
Keyword: 
relational model,  SQL,  natural language interface,  language model,  QA,  

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Summary: 
This paper presents an extension of the database query language SQL to include queries against a database with natural language annotations. The proposed scheme is based on Concept Coupling Model, a language model for handling natural language sentence structures. Integration of the language model with the conventional relational data model provides a unified environment for manipulating information sources comprised of relational tables and natural language texts.