Natural language interpretations for heterogeneous database access

Authors:
Hodong Lee;Jong C. Park
Affiliations:
Korea Advanced Institute of Science and Technology, Yusong-gu, Daejon, South Korea;Korea Advanced Institute of Science and Technology, Yusong-gu, Daejon, South Korea
Venue:
COLING '02 Proceedings of the 19th international conference on Computational linguistics - Volume 1
Year:
2002

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Abstract

In order to query into diverse types of databases and to integrate the resulting information, dispersed throughout the network in a specific domain, we must address complex problems due primarily to heterogeneity of the involved databases. In this paper, we propose to model access to heterogeneous databases, by interpreting natural language queries into queries in formal languages such as SQL, OQL, and CPL by accounting for various language-specific constructions including join relations, path expressions, and object bindings with domain resources and a common lexicon, in a combinatory categorial grammar framework.