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Get Data-Driven Methods for Adaptive Spoken Dialogue Systems: PDF

By Oliver Lemon (auth.), Oliver Lemon, Olivier Pietquin (eds.)

ISBN-10: 1461448026

ISBN-13: 9781461448020

ISBN-10: 1461448034

ISBN-13: 9781461448037

Data pushed tools have lengthy been utilized in computerized Speech attractiveness (ASR) and Text-To-Speech (TTS) synthesis and feature extra lately been brought for discussion administration, spoken language realizing, and typical Language new release. computer studying is now current “end-to-end” in Spoken discussion platforms (SDS). even though, those strategies require info assortment and annotation campaigns, that are time-consuming and dear, in addition to dataset enlargement by means of simulation. during this publication, we offer an summary of the present nation of the sphere and of modern advances, with a selected concentrate on adaptivity.

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The learning is conducted in a greedy fashion, and at each step, the algorithm chooses the transformation rule that reduces the largest number of errors in hypotheses. Errors include DAT substitutions, slot insertions, slot deletions, and slot substitutions. The learning process stops when the algorithm cannot find a rule that improves the hypotheses beyond some preset threshold. g. J. Henderson and F. Jurˇc´ıcˇ ek 26 PLACE NAME = main square). After parsing, a deterministic algorithm recovers the original values for category labels, which is detailed in [20].

By recursively calling the SVM classifiers, 3 Data-Driven Methods for Spoken Language Understanding 27 ... ... Fig. 1 Semantic tree derivation for an utterance from the TownInfo dataset with a tuple length of 2, with positive tuple classification in darker boxes a complete semantic tree can be built. Although the STC method can produce arbitrary large parse trees, this is not often necessary. For the TownInfo corpus, and the CLASSiC project, STC only needs to produce semantic trees with depth limited to three.

The trigger is matched against both the utterance and the semantic hypothesis, and when successfully matched, the transformation is applied to the current hypothesis. In the TBL parser, a trigger contains one or more conditions as follows: the utterance contains N-gram, the DAT equals D, and the semantics contains slot S. If a trigger J. Henderson and F. Jurˇc´ıcˇ ek 24 contains more than one condition, then all conditions must be satisfied. N-gram triggers can be unigrams, bigrams, trigrams, or skipping bigrams which can skip up to three words.

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Data-Driven Methods for Adaptive Spoken Dialogue Systems: Computational Learning for Conversational Interfaces by Oliver Lemon (auth.), Oliver Lemon, Olivier Pietquin (eds.)


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