1. The TREC spoken document retrieval track: a success story;Garofolo,1999
2. AT&T at TREC-7;Singhal,1998
3. Vocal access to a newspaper archive: design issues and preliminary investigation;Crestani,1999
4. Advantages of query biased summaries in information retrieval;Tombros,1998
5. Users's perception of relevance of spoken documents;Tombros;J. Am. Soc. Inf. Sci.,2000