Dublin city university at CLEF 2004: experiments with the ImageCLEF st. andrew's collection

Authors:
Gareth J. F. Jones;Declan Groves;Anna Khasin;Adenike Lam-Adesina;Bart Mellebeek;Andy Way
Affiliations:
School of Computing, Dublin City University, Dublin 9, Ireland;School of Computing, Dublin City University, Dublin 9, Ireland;School of Computing, Dublin City University, Dublin 9, Ireland;School of Computing, Dublin City University, Dublin 9, Ireland;School of Computing, Dublin City University, Dublin 9, Ireland;School of Computing, Dublin City University, Dublin 9, Ireland
Venue:
CLEF'04 Proceedings of the 5th conference on Cross-Language Evaluation Forum: multilingual Information Access for Text, Speech and Images
Year:
2004

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Abstract

For the CLEF 2004 ImageCLEF St Andrew's Collection task the Dublin City University group carried out three sets of experiments: standard cross-language information retrieval (CLIR) runs using topic translation via machine translation (MT), combination of this run with image matching results from the GIFT/Viper system, and a novel document rescoring approach based on automatic MT evaluation metrics. Our standard MT-based CLIR works well on this task. Encouragingly combination with image matching lists is also observed to produce small positive changes in the retrieval output. However, rescoring using the MT evaluation metrics in their current form significantly reduced retrieval effectiveness.