SETHOS: the UPC speech understanding system

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/15672

dc.contributor	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.contributor	Universitat Politècnica de Catalunya. VEU - Grup de Tractament de la Parla
dc.contributor.author	Bonafonte Cávez, Antonio
dc.contributor.author	Mariño Acebal, José Bernardo
dc.contributor.author	Nogueiras Rodríguez, Albino
dc.date	1996
dc.identifier.citation	Bonafonte, A.; Mariño, J.; Nogueiras, A. SETHOS: the UPC speech understanding system. A: ICSLP'96. INTERNATIONAL CONFERENCE ON SPOKEN LANGUAGE PROCESSING. "Proceedings Fourth International Conference on Spoken Language Processing". Philadelphia: H. TIMOTHY BRUMMELL, WILLIAM IDSARDI CITATION DELAWARE, NEW CASTLE, DELAWARE, 1996, p. 2151-2154.
dc.identifier.citation	10.1109/ICSLP.1996.607229
dc.identifier.uri	http://hdl.handle.net/2117/15672
dc.language.iso	eng
dc.publisher	H. TIMOTHY BRUMMELL, WILLIAM IDSARDI CITATION DELAWARE, NEW CASTLE, DELAWARE
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Informàtica::Intel·ligència artificial::Llenguatge natural
dc.subject	Natural language processing (Computer science)
dc.subject	Processament en llenguatge natural (Informàtica)
dc.title	SETHOS: the UPC speech understanding system
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	In EuroSpeech'95, the authors presented the first version of Sethos, the speech understanding system which has been developed at the UPC. In this paper some improvements are incorporated at different levels of Sethos: language model, models of the semantic units and acoustic models. These improvements increase the percentage of correctly decoded sentences from 60% to 80%. Some experiments are presented to evaluate the influence of each information source on the final performance. Furthermore, the computational cost is analyzed arriving to an important conclusion: the configuration which gives the best performance is also the less expensive. The reason is that as better is the modeling, narrower is the beam of the search
dc.description.abstract	Peer Reviewed

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