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Innovations in Multilingual Text Retrieval: Insights from CLEF 2007

This document highlights the methodologies and findings from the CLEF 2007 Ad-Hoc track focused on both monolingual and bilingual information retrieval systems. It covers a range of languages, including Bulgarian, Czech, Hungarian, Romanian, and English, focusing on their respective training and testing durations. It discusses the challenges of retrieving 'exotic' languages, evaluates new metrics like P@10, and raises questions regarding experiment transparency and public data sharing. The event emphasizes collaboration and enhancement of multilingual interfaces.

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Innovations in Multilingual Text Retrieval: Insights from CLEF 2007

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  1. Ad-Hoc @ CLEF 2007

  2. Ad-Hoc Monolingual and Bilingual • Monolingual • Bulgarian (BG) • Czech (CS) • Hungarian (HU) • Romanian (RO) • Bilingual: ask veterans to submit bilingual runs • X2BG • X2CS • X2HU • X2RO • X2EN*  only “exotic” languages and newcomers

  3. Robust • Monolingual • English (EN), 6 last years, 3 years for training, 3 years for testing • French (FR), 6 last years, 3 years for training, 3 years for testing • Portuguese (PT), 3 last years, without training • Bilingual • EN2FR • New Metrics • P@10 • Number of Failed Topics? • Threshold? Below 0.1 precision?

  4. The Infrastructure • Should we make your experiments public? Only the metrics or also the result lists? • We are going to ask you more information (metadata) about your experiments. • Would you like to help us in translating the interface?

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