HLT '01 Proceedings of the first international conference on Human language technology research
Evaluation of a practical interlingua for task-oriented dialogue
NAACL-ANLP-Interlinguas '00 Proceedings of the 2000 NAACL-ANLP Workshop on Applied interlinguas: practical applications of interlingual approaches to NLP - Volume 2
The NESPOLE! speech-to-speech translation system
HLT '02 Proceedings of the second international conference on Human Language Technology Research
Spoken language parsing using phrase-level grammars and trainable classifiers
S2S '02 Proceedings of the ACL-02 workshop on Speech-to-speech translation: algorithms and systems - Volume 7
The NESPOLE! speech-to-speech translation system
HLT '02 Proceedings of the second international conference on Human Language Technology Research
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NESPOLE! is a speech-to-speech machine translation project designed to provide fully functional speech-to-speech capabilities within real-world settings of common users involved in e-commerce applications. The project is a collaboration between three European research groups (IRST in Trento, Italy; ISL at Universität Karlsruhe (TH); and CLIPS at Université Joseph Fourier in Grenoble, France), one US research group (ISL at Carnegie Mellon University in Pittsburgh, PA) and two industrial partners (APT; Trento, Italy -- the Trentino provincial tourism board, and AETHRA; An-cona, Italy -- a tele-communications company). The project is funded jointly by the European Commission and the US NSF. Over the past year, we have developed a fully functional showcase of the NESPOLE! system within the domain of travel and tourism, and have significantly improved system performance and usability based on a series of studies and evaluations with real users. Our experience has shown that improving translation quality is only one of several important issues that must be addressed in achieving a practical real-world speech-to-speech translation system. This paper describes how we tackled these issues and evaluates their effect on system performance and usability. We focus on three main issues: (1) a study on the usage and utility of multi-modality in the context of multi-lingual communication; (2) assessing system performance under various network traffic conditions and architectural configurations; and (3) an end-to-end evaluation of the demonstration system.