Dynamic language models for interactive speech applications

  title={Dynamic language models for interactive speech applications},
  author={Fabio Brugnara and Marcello Federico},
This work proposes the use of hierarchical LMs as an effective method both for e ciently dealing with contextdependent LMs in a dialogue system and for increasing the robustness of LM estimation and adaptation. Starting from basic LMs that express elementary semantic units, concepts, or data-types, sentence level LMs are recursively built. The resulting LMs may be a combination of grammars, word classes, and statistical LMs. Moreover, these LMs can be e ciently compiled into probabilistic… CONTINUE READING

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