Repositorio Institucional de la Universidad Autónoma de Madrid https://repositorio.uam.es
Esta es la versión de autor de la comunicación de congreso publicada en:
This is an author produced version of a paper published in:
Advances in Information Retrieval: 25th European Conference on IR Research, ECIR 2003, Pisa, Italy, April 14–16, 2003. Proceedings. Lecture Notes in
Computer Science, Volumen 2633. Springer 2003. 511-519
DOI: http://dx.doi.org/10.1007/3-540-36618-0_37 Copyright: © 2003 Springer-Verlag
El acceso a la versión del editor puede requerir la suscripción del recurso
Access to the published version may require subscription
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