Publications
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Information Literacy: Where Do We Go From Here?
Topics include education policy; funding for technology; standards, particularly state standards; separate standards for library media programs; assessment; and using the Big6 program.
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Integrating Prosodic and Lexical Cues for Automatic Topic Segmentation
We present a probabilistic model that uses both prosodic and lexical cues for the automatic segmentation of speech into topically coherent units. We propose two methods for combining lexical and…
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Globe Year 6 Evaluation: Explaining Variation in Implementation
The Global Learning and Observations to Benefit the Environment (GLOBE) Program engages students around the world in observing and measuring aspects of their local environments.
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Nutrient-related Analysis of Pathway/Genome Databases
We present an algorithm that solves two related problems in the analysis of metabolic networks stored within a pathway/genome database.
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Mobile Wireless Devices In Mathematics Education
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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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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…