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University of Alicante in ImageCLEF2005

This paper describes the participation of the University of Alicante (UA) in CLEF 2005 image retrieval task. For this purpose we used an image retrieval system based on probabilistic information combined with ontological information and a feedback technique. Several information streams are created using dierent sources: stems, words and bigrams; the final result is obtained combining them. Also a voting-based strategy has been developed joining three dierent systems of participant Universities.