Publications
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Designing for Cognitive Communication: Epistemic Fidelity or Collaborative Inquiry?
This article examines the generalization of the mental model principle to communication of a system of concepts across worldviews.
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Stressed and Unstressed Pronouns: Complementary Preferences
I present a unified account of interpretation preferences of stressed and unstressed pronouns in discourse. The central intuition is the Complementary Preference Hypothesis that predicts the interpretation preference of a…
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VILTS: The Voice-Interactive Language Training System
ECHOS is a voice interactive language training system being developed to foster improvement in French comprehension and speaking skills, incorporating speech recognition and pronunciation evaluation.
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Netlearning: Why Teachers Use The Internet
This book addresses the educational benefits of connecting to the Internet and shows how various educators use Internet features to support their curriculum goals.
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A Maximum-Likelihood Approach to Stochastic Matching for Robust Speech Recognition
We present a maximum-likelihood(ML)stochastic matching approach to decrease the acoustic mismatch between a test utterance and a given set of speech models so as to reduce the recognition performance degradation…
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Acoustic Adaptation Using Non-Linear Transformations of HMM Parameters
Speech recognition performance degrades significantly when there is a mismatch between testing and training conditions. Linear transformation-based maximum-likelihood (ML) techniques have been proposed recently to tackle this problem. In this…
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Segmenting Reactions to Improve the Behavior of a Planning/Reacting Agent
In this paper, we examine the problem of selecting the best set of reactions for an agent to store. In particular, we examine the benefit of including {em intervals} of…
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Scatter/Gather Browsing Communicates The Topic Structure Of A Very Large Text Collection
Users are presented with automatically computed summaries of the contents of clusters of similar documents and provided with a method for navigating through these summaries at different levels of granularity.…
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Agent Development Tools for the Open Agent Architecture
The ADT provides a variety of mechanisms that support the specification and implementation of individual agents, as well as cooperating communities of agents. This paper discusses a number of general…
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Designing For Cognitive Communication: Epistemic Fidelity Or Mediating Collaborating Inquiry
aps between worldviews prevent students from interpreting displays literally, and thus limit the extent to which communication can be achieved by representing knowledge accurately. Hence, rather than merely representing mental…
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A Phone-Dependent Confidence Measure for Utterance Rejection
An acoustic confidence measure for acceptance/rejection of recognition hypotheses for continuous speech utterances is proposed. This measure is useful for rejecting utterances that are out of domain, or contain out-of-vocabulary…
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HinCyc: A Knowledge Base of the Complete Genome and Metabolic Pathways of H. influenzae
We present a methodology for predicting the metabolic pathways of an organism from its genomic sequence.