Soft indexing of speech content for search in spoken documents.

Ciprian Chelba Jorge Silva Alex Acero Soft indexing of speech content for search in spoken documents. 458-478 2007 21 Computer Speech & Language 3 http://dx.doi.org/10.1016/j.csl.2006.09.001 db/journals/csl/csl21.html#ChelbaSA07