Overview of the CLEF-2007 Cross-Language Speech Retrieval Track

Authors:
Pavel Pecina;Petra Hoffmannová;Gareth J. Jones;Ying Zhang;Douglas W. Oard
Affiliations:
MFF UK, Charles University, Praha 1, Czech Republic 118 00;MFF UK, Charles University, Praha 1, Czech Republic 118 00;School of Computing, Dublin City University, Dublin 9, Ireland;School of Computing, Dublin City University, Dublin 9, Ireland;College of Information Studies and Institute for Advanced Computer Studies, University of Maryland, College Park, USA 20742
Venue:
Advances in Multilingual and Multimodal Information Retrieval
Year:
2008

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Abstract

The CLEF-2007 Cross-Language Speech Retrieval (CL-SR) track included two tasks: to identify topically coherent segments of English interviews in a known-boundary condition, and to identify time stamps marking the beginning of topically relevant passages in Czech interviews in an unknown-boundary condition. Six teams participated in the English evaluation, performing both monolingual and cross-language searches of ASR transcripts, automatically generated metadata, and manually generated metadata. Four teams participated in the Czech evaluation, performing monolingual searches of automatic speech recognition transcripts.