Robust dialog management

Xem 1-6 trên 6 kết quả Robust dialog management
  • This work presents an agenda-based approach to improve the robustness of the dialog manager by using dialog examples and n-best recognition hypotheses. This approach supports n-best hypotheses in the dialog manager and keeps track of the dialog state using a discourse interpretation algorithm with the agenda graph and focus stack. Given the agenda graph and n-best hypotheses, the system can predict the next system actions to maximize multi-level score functions. To evaluate the proposed method, a spoken dialog system for a building guidance robot was developed.

    pdf8p hongphan_1 15-04-2013 22 1   Download

  • Data-driven techniques have been used for many computational linguistics tasks. Models derived from data are generally more robust than hand-crafted systems since they better reflect the distribution of the phenomena being modeled. With the availability of large corpora of spoken dialog, dialog management is now reaping the benefits of data-driven techniques. In this paper, we compare two approaches to modeling subtask structure in dialog: a chunk-based model of subdialog sequences, and a parse-based, or hierarchical, model. ...

    pdf8p hongvang_1 16-04-2013 24 2   Download

  • This paper presents a speech understanding component for enabling robust situated human-robot communication. The aim is to gain semantic interpretations of utterances that serve as a basis for multi-modal dialog management also in cases where the recognized word-stream is not grammatically correct. For the understanding process, we designed semantic processable units, which are adapted to the domain of situated communication. Our framework supports the specific characteristics of spontaneous speech used in combination with gestures in a real world scenario. ...

    pdf8p hongvang_1 16-04-2013 32 1   Download

  • This book, “DSP for In-Vehicle and Mobile Systems”, contains a collection of research papers authored by prominent specialists in the field. It is dedicated to Professor Fumitada Itakura of Nagoya University. It is offered as a tribute to his sustained leadership in Digital Signal Processing during a professional career that spans both industry and academe. In many cases, the work reported in this volume has directly built upon or been influenced by the innovative genius of Professor Itakura....

    pdf330p tiramisu0908 16-10-2012 67 13   Download

  • Tham khảo sách 'the application of programmable dsps in mobile', công nghệ thông tin, hệ điều hành phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf409p trada85 22-01-2013 30 4   Download

  • Clarissa, an experimental voice enabled procedure browser that has recently been deployed on the International Space Station (ISS), is to the best of our knowledge the first spoken dialog system in space. This paper gives background on the system and the ISS procedures, then discusses the research developed to address three key problems: grammarbased speech recognition using the Regulus toolkit; SVM based methods for open microphone speech recognition; and robust side-effect free dialogue management for handling undos, corrections and confirmations. ...

    pdf4p bunbo_1 17-04-2013 31 1   Download


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