TAILIEUCHUNG - Báo cáo khoa học: "A Model for Robust Processing of Spontaneous Speech by Integrating Viable Fragments*"

We describe the design and function of a robust processing component which is being developed for the Verbmobil speech translation system. Its task consists of collecting partial analyses of an input utterance produced by three parsers and attempting to combine them into more meaningful, larger units. | A Model for Robust Processing of Spontaneous Speech by Integrating Viable Fragments Karsten L. Worm Universităt des Saarlandes Computerlinguistik D-66041 Saarbriicken Germany worm@ Abstract We describe the design and function of a robust processing component which is being developed for the Verbmobil speech translation system. Its task consists of collecting partial analyses of an input utterance produced by three parsers and attempting to combine them into more meaningful larger units. It is used as a fallback mechanism in cases where no complete analysis spanning the whole input can be achieved owing to spontaneous speech phenomena or speech recognition errors. 1 Introduction In this paper we describe the function and design of the robust semantic processing component which we are currently developing in the context of the Verbmobil speech translation project. We aim at improving the system s performance in terms of coverage and quality of translations by combining fragmentary analyses when no spanning analysis of the input can be derived because of spontaneous speech phenomena or speech recognition errors. 2 The Verbmobil Context Verbmobil Wahlster 1997 is a large scale research project in the area of spoken language translation. Its goal is to develop a system that translates negotiation dialogues between speakers of German English and Japanese in face-to-face or video conferencing situations. The integrated system developed during the first project phase 1993-96 the Research Prototype was successfully demonstrated The author wishes to thank his colleagues Johan Bos Aljoscha Burchardt Bjorn Gambãck Walter Kasper Bernd Kiefer Uli Krieger Manfred Pinkal Tobias Ruland c. J. Rupp Jorg Spilker and Hans Weber for their collaboration. This research was supported by the German Federal Ministry for Education Science Research and Technology under grant no. 01 IV 701 R4. in autumn 1996 Bub et al. 1997 . The final Verb-mobil Prototype is due in 2000. .

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