Using dependency paths for answering definition questions on the web

Alejandro Figueroa, John Atkinson

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

5 Scopus citations

Abstract

This work presents a new approach to automatically answer definition questions from the Web. This approach learns n-gram language models from lexicalised dependency paths taken from abstracts provided by Wikipedia and uses context information to identify candidate descriptive sentences containing target answers. Results using a prototype of the model showed the effectiveness of lexicalised dependency paths as salient indicators for the presence of definitions in natural language texts.

Original languageEnglish
Title of host publicationWEBIST 2009 - Proceedings of the 5th International Conference on Web Information Systems and Technologies
Pages643-650
Number of pages8
StatePublished - 2009
Externally publishedYes
Event5th International Conference on Web Information Systems and Technologies, WEBIST 2009 - Lisbon, Portugal
Duration: 23 Mar 200926 Mar 2009

Publication series

NameWEBIST 2009 - Proceedings of the 5th International Conference on Web Information Systems and Technologies

Conference

Conference5th International Conference on Web Information Systems and Technologies, WEBIST 2009
Country/TerritoryPortugal
CityLisbon
Period23/03/0926/03/09

Keywords

  • Definition questions
  • Lexical dependency paths
  • Web question answering
  • n-Gram language models

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