Publications
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Assessing Students. Performance Longitudinally: Item Difficulty Parameter Vs. Skill Learning Tracking
We are engaged in an effort to investigate if we can do a better job of predicting a large scale test (MCAS) by modeling individual skills in different grain-sized skill…
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Unsupervised Language Model Adaptation for Meeting Recognition
We present an application of unsupervised language model (LM) adaptation to meeting recognition, in a scenario where sequences of multiparty meetings on related topics are to be recognized, but no…
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Deductive Biocomputing
We describe a deduction-based approach to biocomputation that semiautomatically combines knowledge, software, and data to satisfy goals expressed in a high-level biological language.
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NAP and WCCN: Comparison of Approaches Using MLLR-SVM Speaker Verification System
We compare two recently proposed techniques, within class covariance normalization (WCCN) [1] and nuisance attribute projection (NAP) [2], for intersession variability compensation in speaker verification.
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Statistical Sentence Extraction for Information Distillation
In this paper, we present a statistical sentence extraction approach for distillation. Basically, we frame this task as a classification problem, where each candidate sentence in documents is classified as…
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On-The-Move Independently Moving Target Detection
This paper describes a system for automatically detecting potential targets (that pop-up or move into view) and to cue the operator to potential threats. We present a 3D approach for…
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Designing For Design Learning
This paper highlights the need for a science of design to address the needs of technology design learners.
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Analysis of Morph-Based Speech Recognition and the Modeling of Out-of-Vocabulary Words Across Languages
We analyze subword-based language models (LMs) in large-vocabulary continuous speech recognition across four “morphologically rich” languages: Finnish, Estonian, Turkish, and Egyptian Colloquial Arabic.
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High carrier mobility polythiophene thin films: structure determination by experiment and theory
The structure within crystalline thin films of a high-carrier-mobility polythiophene is studied with complementary characterization methods and first-principles theory.
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Deflation-secure web metering
We introduce the first protocols for audience metering that protect against deflation attempts by CDs.
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Balancing push and pull for efficient information discovery in large-scale sensor networks
Abstract In this paper, we investigate efficient strategies for supporting on-demand information dissemination and gathering in large-scale wireless sensor networks. In particular, we propose a “comb-needle” discovery support model resembling…
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Insights into Alternative Certification: Initial Findings From a National Study
We test proponents’ and opponents’ assumptions about alternative certification against national data and data from the seven programs.