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A Machine Learning Model for Information Retrieval with Structured Documents

  • Benjamin Piwowarski
  • Patrick Gallinari
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2734)

Abstract

Most recent document standards rely on structured representations. On the other hand, current information retrieval systems have been developed for flat document representations and cannot be easily extended to cope with more complex document types. Only a few models have been proposed for handling structured documents, and the design of such systems is still an open problem. We present here a new model for structured document retrieval which allows to compute and to combine the scores of document parts. It is based on bayesian networks and allows for learning the model parameters in the presence of incomplete data. We present an application of this model for ad-hoc retrieval and evaluate its performances on a small structured collection. The model can also be extended to cope with other tasks such as interactive navigation in structured documents or corpus.

Keywords

Information Retrieval Bayesian Network Estimation Maximization Structure Document Machine Learn Model 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Benjamin Piwowarski
    • 1
  • Patrick Gallinari
    • 1
  1. 1.LIP6 — Université Paris 6ParisFrance

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