Crestani, F. and de Campos, L. and Fernandez Luna, J. and Huete, J. (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, Manaus, Brasil.
Download (292kB) | Preview
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.
|Item type:||Conference or Workshop Item (Paper)|
|Keywords:||utility theory, Bayesian network retrieval model, information retreival, Electronic computers. Computer science|
|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:||12 Dec 2015 18:22|
Actions (login required)