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Portable extraction of partially structured facts from the web

  • Andrew Salway*
  • , Liadh Kelly
  • , Inguna Skadiņa
  • , Gareth J.F. Jones
  • *Corresponding author for this work
  • Dublin City University
  • Tilde Company

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

3 Citations (Scopus)

Abstract

A novel fact extraction task is defined to fill a gap between current information retrieval and information extraction technologies. It is shown that it is possible to extract useful partially structured facts about different kinds of entities in a broad domain, i.e. all kinds of places depicted in tourist images. Importantly the approach does not rely on existing linguistic resources (gazetteers, taggers, parsers, etc.) and it ported easily and cheaply between two rather different languages (English and Latvian). Previous fact extraction from the web has focused on the extraction of structured data, e.g. (Building-LocatedIn-Town). In contrast we extract richer and more interesting facts, such as a fact explaining why a building was built. Enough structure is maintained to facilitate subsequent processing of the information. For example, the partial structure enables straightforward template-based text generation. We report positive results for the correctness and interest of English and Latvian facts and for their utility in enhancing image captions.

Original languageEnglish
Title of host publicationAdvances in Natural Language Processing - 7th International Conference on NLP, IceTAL 2010, Proceedings
Pages345-356
Number of pages12
DOIs
Publication statusPublished - 2010
Externally publishedYes
Event7th International Conference on NLP, IceTAL 2010 - Reykjavik, Iceland
Duration: 16 Aug 201018 Aug 2010

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume6233 LNAI
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference7th International Conference on NLP, IceTAL 2010
Country/TerritoryIceland
CityReykjavik
Period16/08/1018/08/10

Keywords

  • Fact extraction
  • image captioning
  • information extraction
  • information retrieval
  • multilingual
  • web

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