Hierarchical Reinforcement Learning for Spoken Dialogue Systems (2009)
This thesis focuses on the problem of scalable optimization of dialogue behaviour in speech-based conversational systems using reinforcement learning. Most previous investigations in dialogue...
Heriberto Cuayáhuitl, Supervisors Steve Renals, Oliver Lemon, Hiroshi Shimodaira, Hm M
Abstract: We propose an approach to learn reusable probabilistic models for simulating human-computer task-oriented dialogues at the intention level, trained from different corpora using a two-pass...
INTERSPEECH 2007 Hierarchical Dialogue Optimization Using Semi-Markov Decision Processes (2008)
Heriberto Cuayáhuitl, Steve Renals, Oliver Lemon, Hiroshi Shimodaira
This paper addresses the problem of dialogue optimization on large search spaces. For such a purpose, in this paper we propose to learn dialogue strategies using multiple Semi-Markov Decision...
Creating a Mexican Spanish Version of the (2008)
O Varela, Heriberto Cuayáhuitl
In this paper we present the creation of a Mexican Spanish version of the CMU Sphinx-III speech recognition system. We trained acoustic and N-gram language models with a phonetic set of 23 phonemes....
Hierarchical dialogue optimization using semi-markov decision processes. (2007)
Cuayáhuitl, Heriberto, Renals, Steve, Lemon, Oliver, Shimodaira, Hiroshi
This paper addresses the problem of dialogue optimization on large search spaces. For such a purpose, in this paper we propose to learn dialogue strategies using multiple Semi-Markov Decision...
Hierarchical dialogue optimization using semi-markov decision processes (2007)
Heriberto Cuayáhuitl, Steve Renals, Oliver Lemon, Hiroshi Shimodaira
This paper addresses the problem of dialogue optimization on large search spaces. For such a purpose, in this paper we propose to learn dialogue strategies using multiple Semi-Markov Decision...
Learning Multi-Goal Dialogue Strategies Using (2006)
Reinforcement Learning With, Heriberto Cuayáhuitl, Steve Renals, Oliver Lemon, Hiroshi Shimodaira
Learning dialogue strategies using the reinforcement learning framework is problematic due to its expensive computational cost. In this paper we propose an algorithm that reduces a state-action space...
WISBuilder: A Framework for Facilitating Development of (2006)
Heriberto Cuayáhuitl, Carlos Pérez-corona
This paper presents WISBuilder, a framework that investigates an approach for facilitating the development of Web-based Information Systems. The approach is based on the Model-View-Controller and...
Reinforcement Learning Of Dialogue Strategies (2006)
With Hierarchic Al, Heriberto Cuayáhuitl, Steve Renals, Oliver Lemon, Hiroshi Shimodaira
MACHINES Heriberto Cuay ahuitl , Steve Renals , Oliver Lemon , Hiroshi Shimodaira CSTR , HCRC , School of Informatics, University of Edinburgh 2 Buccleuch Place, EH8 9LW, Edinburgh, Scotland, UK...
Heriberto Cuayáhuitl, Steve Renals, Oliver Lemon, Hiroshi Shimodaira
Learning dialogue strategies using the reinforcement learning framework is problematic due to its expensive computational cost. In this paper we propose an algorithm that reduces a state-action space...
Spoken Dialogue Management Using Hierarchical Reinforcement Learning And Dialogue Simulation (2005)
Heriberto Cuayáhuitl, Supervisors Prof, Steve Renals, Dr. Oliver Lemon
Speech-based human-computer interaction faces several difficult challenges in order to be more widely accepted. One of the challenges in spoken dialogue management is to control the dialogue flow...
Human-Computer Dialogue Simulation Using Hidden Markov Models (2005)
Heriberto Cuay Ahuitl, Heriberto Cuayáhuitl, Steve Renals, Oliver Lemon, Hiroshi Shimodaira
This paper presents a probabilistic method to simulate task-oriented human-computer dialogues at the intention level, that may be used to improve or to evaluate the performance of spoken dialogue...
VoiceBuilder: A Framework for Automatic Speech Application Development (2004)
Heriberto Cuayáhuitl, Juventino Montiel-Hernández
In this paper we present VoiceBuilder, a framework for automating the process of developing speech applications. Our framework allows speech User Interface (UI) specialists to introduce UI's in...
Learning Reusable Probabilistic User-System Models for Human-Computer Dialogue Simulation (2004)
Heriberto Cuayáhuitl, Supervisors Steve Renals, Oliver Lemon, Hiroshi Shimodaira, Hm M
We propose an approach to learn reusable probabilistic models for simulating human-computer task-oriented dialogues at the intention level, trained from di#erent corpora using a two-pass clustering...
An Approach for Facilitating Development of Web-based Information Systems (2004)
Heriberto Cuayáhuitl, Carlos Pérez-corona
In this paper we present an approach for facilitating development of web-based information systems based on the MVC (Model-View-Controller) design pattern. Our approach consists in the automation of...
A Syllabification Algorithm for Spanish (2004)
Heriberto Cuayahuitl Universidad, Heriberto Cuayáhuitl
This paper presents an algorithm for dividing Spanish words into syllables. This algorithm is based on grammatical rules which were translated into a simple algorithm, easy to implement and with low...
VoiceBuilder: A Framework for Automatic Speech Application Development (2004)
Heriberto Cuayáhuitl, Juventino Montiel-hernández
In this paper we present VoiceBuilder, a framework for automating the process of developing speech applications. Our framework allows speech User Interface (UI) specialists to introduce UI’s in two...
Out-of-Vocabulary Word Modeling and (2002)
Rejection For Spanish, Heriberto Cuayáhuitl, Ben Serridge
This paper presents a combination of out-of-vocabulary (OOV) word modeling and rejection techniques in an attempt to accept utterances embedding a keyword and reject utterances with nonkeywords.