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We have extended the Philips large vocabulary continuous speech recognition system towards Chinese On the way from our existing Western language technology to Mandarin the rst step was to build a suitable phonetic model This paper describes the development of our phonetic model excluding tones for Mandarin Chinese We will present a systematic comparison of three forms of sub syllabic units for ...

In this paper we describe some characteristics of the acoustic modeling used in the Philips continuous-speech recognition system for the DARPA Hub-4 1997 evaluation, which are related to robustness issues. We aimed at a conceptually simple system: We trained two model sets on 70 hours of the Hub-4 training data, one for within-word and one for crossword decoding. These model sets were used for ...

We illustrate the correspondence between uncertainty sets in robust optimization and some popular risk measures in finance, and show how robust optimization can be used to generalize the concepts of these risk measures. We also show that by using properly defined uncertainty sets in robust optimization models, one can construct coherent risk measures, and address the issue of the computational ...

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