Ranking structured documents using utility theory in the Bayesian network retrieval model

Crestani, Fabio and de Campos, Luis M. and Fernandez Luna, Juan M. and Huete, Juan F. (2003) Ranking structured documents using utility theory in the Bayesian network retrieval model. In: Proceedings of the SPIRE 2003, 2003-10-08 - 2003-10-19.

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Abstract

In this paper a new method based on Utility and Decision theory is presented to deal with structured documents. The aim of the application of these methodologies is to refine a first ranking of structural units, generated by means of an Information Retrieval Model based on Bayesian Networks. Units are newly arranged in the new ranking by combining their posterior probabilities, obtained in the first stage, with the expected utility of retrieving them. The experimental work has been developed using the Shakespeare structured collection and the results show an improvement of the effectiveness of this new approach.

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• Item metadata

  Item type:	Conference or Workshop Item(Paper)
  ID code:	2496
  Dates:	Date Event 10 October 2003 Published
  Subjects:	Science > Mathematics > Electronic computers. Computer science
  Department:	Faculty of Science > Computer and Information Sciences
  Depositing user:	Strathprints Administrator
  Date deposited:	06 Feb 2007
  Last modified:	22 Dec 2024 01:43
  URI:	https://strathprints.strath.ac.uk/id/eprint/2496