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A WOZ Variant with Contrastive Conditions

A WOZ Variant with Contrastive Conditions. Esther Levin, City College of New York Rebecca Passonneau, Columbia University. Motivating questions. How can we update the wizard-of-oz paradigm to resemble human/machine dialogues of the near future?

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A WOZ Variant with Contrastive Conditions

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  1. A WOZ Variant with Contrastive Conditions Esther Levin, City College of New York Rebecca Passonneau, Columbia University

  2. Motivating questions • How can we update the wizard-of-oz paradigm to resemble human/machine dialogues of the near future? • How can we enhance MDP approaches to learning dialogue strategies from corpora? • What dialogue states to define • What dialogue actions to define • How can the types of speech understanding errors made by systems be handled more naturally? Dialogue on Dialogues Workshop

  3. Application:Heiskell Library,Automated Readers Advisor Heiskell patrons: • cannot read “print” books • Blind, visually handicapped, physically disabled • request audio/braille/large-print books by telephone • request items by author, title or catalogue number • highly motivated, technologically adept, directly involved with the library Dialogue on Dialogues Workshop

  4. Approach:Wizard Ablation, Contrastive conditions • Ablation conditions • AW1: wizard input is ASR; wizard output is unconstrained • AW2: wizard input is ASR; wizard selects response actions from system actions • Two dimensions of contrast • user/librarian; user/AW1; user/AW2; user/system • pre/post system enrichment Dialogue on Dialogues Workshop

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