Using Machine Learning to Explore Human Multimodal Clarification Strategies (2009)
We investigate the use of machine learning in combination with feature engineering techniques to explore human multimodal clarification strategies and the use of those strategies for dialogue...
Dialogue Policy Learning for combinations of Noise and User Simulation: transfer results (2009)
Once a dialogue strategy has been learned for a particular set of conditions, we need to know how well it will perform when deployed in different conditions to those it was specifically trained for,...
INTERSPEECH 2007 Machine Learning for Spoken Dialogue Systems (2008)
Oliver Lemon, Olivier Pietquin
During the last decade, research in the field of Spoken Dialogue Systems (SDS) has experienced increasing growth. However, the design and optimization of SDS is not only about combining speech and...
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...
Oliver Lemon, Kallirroi Georgila, James Henderson
alsohasafragmentaryclarificationfeature.
Beth Ann Hockey, Oliver Lemon, Buccleugh Place, Ellen Campana, Laura Hiatt, Gregory Aist, ...
We present experimental evidence that providing naive users of a spoken dialogue system with immediate help messages related to their out-of-coverage utterances improves their success in using the...
Peter Ljunglöf, Gabriel Amores, Robin Cooper, David Hjelm, Oliver Lemon, Pilar Manchón, ...
Project funded by the European Community under the Sixth Framework Programme for Research and Technological Development The deliverable identification sheet is to be found on the reverse of this...
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...
We demonstrate a new development environment for "Information State Update" dialogue systems which allows non-expert developers to produce complete spoken dialogue systems based only on a...
The scientific status of mobile robotics: Multi-resolution mapbuilding as a case study (2007)
We present a novel approach to mapbuilding and target area identification in mobile robotics – its emphasis being on the efficiency of multiple resolution representations for mapping and goal-area...
Incomplete Spatial Logics (2007)
ollection of suggested axioms may well have models, it is sometimes hard to see why we should regard these models as models of space at all. 2 Positional modal logics: a first inadequacy result Von...
olemon @ inf. ed. ac. uk (2007)
Beth Ann Hockey, Ellen Campana, Oliver Lemon, Buccleugh Place, Laura Hiatt, Gregory Aist, ...
We present experimental evidence that providing naive users of a spoken dialogue system with immediate help messages related to their out-of-coverage utterances improves their success in using the...
The goal of the Conversational Interfaces (2007)
Brady Clark, Elizabeth Owen Bratt, Oliver Lemon, Stanley Peters, Heather Pon-barry, Zack Thomsen-gray, ...
Ian Pratt, Oliver Lemon, Oliver Lemon
system for diagramming syllogistic inferences using straight line segments is presented by Englebretsen. In light of recent research on the representational power of diagrammatic representation...
First-Order Theory Change Systems and their Dynamic Semantics (2007)
Systems of first-order theory change are motivated, developed, and shown to be strongly connected to revisable systems of dynamic semantics. Such systems are applicable in the analysis of dialogue...
Ontologies For Plane, Polygonal Mereotopology, Ian Pratt, Ian Pratt, Oliver Lemon, Oliver Lemon
purposes on condition that (1) this copyright notice is included, (2) proper attribution to the author or authors is made and (3) no commercial gain is involved.
Probabilistic Dialogue Modelling (2007)
Oliver Lemon Stanford, Oliver Lemon
We show how Bayesian networks and related probabilistic methods provide an efficient way of capturing the complex balancing of different factors that determine interpretation and generation in...
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...
Tilman Becker (ed, Peter Poller, Staffan Larsson, Oliver Lemon, Guillermo Pérez, Karl Weilhammer, ...
under the Sixth Framework Programme for Research and Technological Development The deliverable identification sheet is to be found on the reverse of this page. Project ref. no. IST-507802 Project...
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...
Machine learning for spoken dialogue systems (2007)
Oliver Lemon, Olivier Pietquin
During the last decade, research in the field of Spoken Dialogue Systems (SDS) has experienced increasing growth. However, the design and optimization of SDS is not only about combining speech and...
Using logistic regression to initialise reinforcement-learning-based dialogue systems (2006)
We investigate the use of logistic regression (LR) to initialise Reinforcement Learning (RL)-based dialogue systems with models of human dialogue strategies. LR produces accurate predictions and...
Gabriel Amores, Stina Ericsson, Ciprian Gerstenberger, Rebecca Jonson, Oliver Lemon, Pilar Manchón, ...
Project funded by the European Community under the Sixth Framework Programme for Research and Technological Development The deliverable identification sheet is to be found on the reverse of this...
User simulation for spoken dialogue systems: Learning and evaluation (2006)
Kallirroi Georgila, James Henderson, Oliver Lemon
We propose the “advanced ” n-grams as a new technique for simulating user behaviour in spoken dialogue systems, and we compare it with two methods used in our prior work, i.e. linear feature...
Oliver Lemon, Kallirroi Georgila, James Henderson, Matthew Stuttle
We demonstrate a multimodal dialogue system using reinforcement learning for in-car scenarios, developed at Edinburgh University and Cambridge University for the TALK project .
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...
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...
Gabriel Amores, Nate Blaylock, Stina Ericsson, Guillermo Pérez, Kalliroi Georgila, Michael Kaisser, ...
Project funded by the European Community under the Sixth Framework Programme for Research and Technological Development The deliverable identification sheet is to be found on the reverse of this...
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...
Nate Blaylock, Bettina Fromkorth, Ciprian Gerstenberger, Oliver Lemon, Pilar Manchón, ...
Project funded by the European Community under the Sixth Framework Programme for Research and Technological Development The deliverable identification sheet is to be found on the reverse of this...
Oliver Lemon, Xingkun Liu, Daniel Shapiro, Carl Toll
We demonstrate the REALL-DUDE system 1, which is a combination of RE-ALL, an environment for Hierarchical Reinforcement Learning, and DUDE, a development environment for “Information State Update...
Learning more effective dialogue strategies using limited dialogue move features (2006)
Matthew Frampton, Oliver Lemon
We explore the use of restricted dialogue contexts in reinforcement learning (RL) of effective dialogue strategies for information seeking spoken dialogue systems (e.g. COMMUNICATOR (Walker et al.,...
David Milward (ed, Gabriel Amores, Tilman Becker, Nate Blaylock, Malte Gabsdil, Staffan Larsson, ...
Project funded by the European Community under the Sixth Framework Programme for Research and Technological Development The deliverable identification sheet is to be found on the reverse of this...
Tilman Becker (ed, Peter Poller, Staffan Larsson, Björn Bringert, Carine Cassia, Andreas Wallentin, ...
Project funded by the European Community under the Sixth Framework Programme for Research and Technological Development The deliverable identification sheet is to be found on the reverse of this...
Kallirroi Georgila, Oliver Lemon, James Henderson
We present and evaluate an automatic annotation system which builds "Information State Update" (ISU) representations of dialogue context for the COMMUNICATOR (2000 and 2001) corpora of...
Tilman Becker Ed, Peter Poller, Staffan Larsson, Björn Bringert, Carine Cassia, Andreas Wallentin, ...
this document may be reproduced or transmitted in any form, or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without...
Learning User Simulations for Information State Update Dialogue Systems (2005)
Kallirroi Georgila, James Henderson, Oliver Lemon
This paper describes and compares two methods for simulating user behaviour in spoken dialogue systems. User simulations are important for automatic dialogue strategy learning and the evaluation of...
Hybrid Reinforcement/Supervised Learning for Dialogue Policies from COMMUNICATOR Data (2005)
James Henderson, Oliver Lemon, Kallirroi Georgila
We propose a method for learning dialogue management policies from a fixed dataset. The method is designed for use with "Information State Update " (ISU)-based dialogue systems, which...
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...
Tilman Becker (ed, Peter Poller, Staffan Larsson, Björn Bringert, Carine Cassia, Andreas Wallentin, ...
Project funded by the European Community under the Sixth Framework Programme for Research and Technological Development The deliverable identification sheet is to be found on the reverse of this...
David Milward (ed, Gabriel Amores, Tilman Becker, Nate Blaylock, Malte Gabsdil, Staffan Larsson, ...
Project funded by the European Community under the Sixth Framework Programme for Research and Technological Development The deliverable identification sheet is to be found on the reverse of this...
Executive Summary.......................................... (2004)
Tilman Becker, Oliver Lemon, Steve Young (editors, Nate Blaylock, Ivana Kruiff-korbayova, Kalliroi Georgila, ...
Project funded by the European Community under the Sixth Framework Programme for Research and Technological Development The deliverable identification sheet is to be found on the reverse of this...
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...
We use machine learners trained on a combination of acoustic confidence and pragmatic plausibility features computed from dialogue context to predict the accuracy of incoming n-best recognition...
D6.1: Proposed Methods for Multimodal (2004)
Experiments Tilman Becker, Tilman Becker, Oliver Lemon, Steve Young (editors, Nate Blaylock, Ivana Kruiff-korbayova, ...
this document may be reproduced or transmitted in any form, or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without...
Generating Tailored, Comparative Descriptions in Spoken Dialogue (2004)
Johanna Moore, Mary Ellen Foster, Oliver Lemon, Michael White, Mary Ellen, Foster Oliver, ...
We describe an approach to presenting information in spoken dialogues that for the first time brings together multi-attribute decision models, strategic content planning, state-of-the-art dialogue...
Johan Bos, Ewan Klein, Oliver Lemon, Tetsushi Oka
The DIPPER architecture is a collection of software agents for prototyping spoken dialogue systems. Implemented on top of the Open Agent Architecture (OAA), it comprises agents for speech input and...
Managing Dialogue Interaction: A Multi-Layered Approach (2003)
Oliver Lemon School, Oliver Lemon
We present evidence for the importance of low-level phenomena in dialogue interaction and use this to motivate a multi-layered approach to dialogue processing.
Johan Bos, Ewan Klein, Oliver Lemon, Tetsushi Oka
The DIPPER architecture is a collection of software agents for prototyping spoken dialogue systems. Implemented on top of the Open Agent Architecture (OAA), it comprises agents for speech input and...
Collaborative dialogue for controlling autonomous systems (2002)
Oliver Lemon, Lawrence Cavedon, Er Gruenstein, Stanley Peters
We claim that a natural dialogue interface to a semiautonomous intelligent agent has important advantages, especially when operating in real-time complex dynamic environments involving multiple...
Multi-tasking and collaborative activities in dialogue systems (2002)
Oliver Lemon, Er Gruenstein, Alexis Battle, Stanley Peters
We explain dialogue management techniques for collaborative activities with humans, involving multiple concurrent tasks. Conversational context for multiple concurrent activities is represented using...
Multi-tasking and collaborative activities in dialogue systems (2002)
Oliver Lemon, Er Gruenstein, Alexis Battle, Stanley Peters
We explain dialogue management techniques for collaborative activities with humans, involving multiple concurrent tasks. Conversational context for multiple concurrent activities is represented using...
A multi-modal dialogue system for human-robot conversation (2001)
Oliver Lemon, Anne Bracy, Er Gruenstein, Stanley Peters
www-csli.stanford.edu/semlab/witas.html
Aligning logical and psychological perspectives on Diagrammatic Reasoning (2001)
We advance a theoretical framework which combines recent insights of research in logic, psychology, and formal semantics, on the nature of diagrammatic representation and reasoning. In particular, we...
A multi-modal dialogue system for human-robot conversation (2001)
Oliver Lemon, Anne Bracy, Er Gruenstein, Stanley Peters
We present a real-time multi-modal dialogue system for conversations with intelligent autonomous systems-- in this case a robot helicopter, or UAV (`Unmanned Aerial Vehicle') [1]. The system...
Information states in a multi-modal dialogue system for human-robot conversation (2001)
Oliver Lemon, Anne Bracy, Er Gruenstein, Stanley Peters
We discuss the dialogue modelling techniques in the ongoing development of a dialogue system for multi-modal conversations with autonomous mobile robots. The dialogue system is implemented using...
“Drawing Illusions” – a case study in the incorrectness of diagrammatic reasoning (1999)
In “Something to Reckon With” [6], a system for diagramming syllogistic inferences using straight line segments is presented (see also Englebretsen [5]). In the light of recent research on the...
Aligning logical and psychological perspectives on diagrammatic reasoning (1999)
Stenning, Keith, Lemon, Oliver
We advance a theoretical framework which combines recent insights of research in logic, psychology, and formal semantics, on the nature of diagrammatic representation and reasoning. In particular, we...
Aligning logical and psychological perspectives on diagrammatic reasoning (1999)
Stenning, Keith, Lemon, Oliver
We advance a theoretical framework which combines recent insights of research in logic, psychology, and formal semantics, on the nature of diagrammatic representation and reasoning. In particular, we...
Aligning logical and psychological perspectives on diagrammatic reasoning (1999)
Stenning, Keith, Lemon, Oliver
We advance a theoretical framework which combines recent insights of research in logic, psychology, and formal semantics, on the nature of diagrammatic representation and reasoning. In particular, we...
On the Insufficiency of Linear Diagrams for Syllogisms (1998)
In Volume 33:1 of the Notre Dame Journal of Formal Logic, a system for diagramming syllogistic inferences using straight line segments is presented by Englebretsen. In light of recent research on the...
Ontologies for Plane, Polygonal Mereotopology (1997)
Several authors have suggested that a more parsimonious and conceptually elegant treatment of everyday mereological and topological reasoning can be obtained by adopting a spatial ontology in which...
Spatial Logic and the Complexity of Diagrammatic Reasoning (1997)
. Researchers have sought to explain the observed "efficacy" of diagrammatic reasoning (DR) via the notions of "limited abstraction" and inexpressivity [17, 20]. We argue that...
Multiple Resolution Mapping for Efficient Mobile Robot Navigation (1997)
Kris De Meyer, Oliver Lemon, Ulrich Nehmzow
We describe a novel approach to topological mapping for mobile robotics, and its advantages over existing proposals. The central idea is to develop a hierarchical "multiple resolution"...
Ontologies for Plane, Polygonal Mereotopology (1997)
Several authors have suggested that a more parsimonious and conceptually elegant treatment of everyday mereological and topological reasoning can be obtained by adopting a spatial ontology in which...
Semantical Foundations of Spatial Logics (1996)
We explore several "spatial" logics and investigate their credentials as logics of space or of spatial objects and relations. A semantical adequacy criterion for spatial logics is...
States in flux :--logics of change, dynamic semantics, and dialogue /--Oliver Lemon. (1995)
Thesis (Ph. D.)--University of Edinburgh, 1996.