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Relational Interface for Natural Language-Based Information Sources
Zenshiro KAWASAKI Keiji SHIBATA Masato TAJIMA
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/06/01
Print ISSN: 0916-8532
Type of Manuscript: LETTER
relational model, SQL, natural language interface, language model, QA,
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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.