Publications
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CODA: Coordinating Human Planners
The CODA system provides targeted information dissemination among distributed human planners as a way of improving coordination.
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Evaluating Educational Technology: A Call for Collaborative Learning, Teaching, Research and Development
Technology is not the solution to the complex problems that face our schools but it can dramatically increase the community of participants designing solutions.
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Mobile Wireless Devices In Mathematics Education
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The .geo-web: A Scalable Index for the Digital Earth
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An Efficient Repair Procedure For Quick Transcriptions
The procedure we propose in this paper aims to em cleanse/ such quick transcriptions so that they align better with the acoustic evidence and thus provide for better acoustic models…
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Finding Consensus in Speech Recognition: Word Error Minimization and Other Applications of Confusion Networks
We describe a new framework for distilling information from word lattices to improve the accuracy of speech recognition and obtain a more perspicuous representation of a set of alternative hypotheses.
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Machine Learning Techniques for the Identification of Cues for Stop Place
This paper is situated in a long line of phonetic studies that seek to determine and qualify the acoustic cues humans use to identify stop place. The present study draws…
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Prosodic Features for Automatic Text-Independent Evaluation of Degree of Nativeness for Language Learner
Predicting the degree of nativeness of a student's utterance is an important issue in computer-aided language learning.
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The Multimedia Challenge
The Belmont Then and Now project, completed in 2000 by three 3rd grade classes from Central Elementary, helps put Belmont's changes over the past 150 years in perspective.
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Consonant Discrimination in Elicited and Spontaneous Speech: A Case for Signal-Adaptive Front Ends in ASR
This work investigates an approach to add back such transient information to a speech recognizer, without losing the robustness of the standard acoustic models. We demonstrate a set of phonetically-motivated…
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Dialogue Act Modeling for Automatic Tagging and Recognition of Conversational Speech
We describe a statistical approach for modeling dialogue acts in conversational speech, i.e., speech-act-like units such as Statement, Question, Backchannel, Agreement, Disagreement, and Apology. Our model detects and predicts dialogue…
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Automatic Generation of Compact Programs and Virtual Machines for Scheme
We use a combination of techniques to automatically generate new instructions and new compact encodings for virtual instructions.