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A Phrasal Approach to Natural Language Interfaces over Databases
Umeå University, Faculty of Science and Technology, Computing Science.
2005 (English)Conference paper, Published paper (Refereed)
Abstract [en]

This short paper introduces the STEP system for natural language access to relational databases. In contrast to most work in the area, STEP adopts a phrasal approach; an administrator couples phrasal patterns to elementary expressions of tuple relational calculus. This 'phrasal lexicon' is used bi-directionally, enabling the generation of natural language from tuple relational calculus and the inverse parsing of natural language to tuple calculus. This ability to both understand and generate natural language enables STEP to engage the user in clarification dialogs when the parse of their query is of questionable quality or is open to multiple interpretations. An on-line demonstration of STEP is accessible at http://www.cs.umu.se/~mjm/step.

Place, publisher, year, edition, pages
2005. 4- p.
Identifiers
URN: urn:nbn:se:umu:diva-9537OAI: oai:DiVA.org:umu-9537DiVA: diva2:149208
Available from: 2008-04-18 Created: 2008-04-18Bibliographically approved

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CiteExportLink to record
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Citation style
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