Publications
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Application of the Modified Group Delay Function to Speaker Identification and Discrimination
In this paper, we explore new methods by which speakers can be identified and discriminated, using features derived from the fourier transform phase. A Gaussian mixture model (GMM) based speaker…
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The Use of a Linguistically Motivated Language Model in Conversational Speech Recognition
In this paper we show that such a model can be used effectively and efficiently in all stages of a complex, multi-pass conversational telephone speech recognition system.
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Demonstrating Boolean Logic Using Simple Electrical Circuits
To provide a more direct and tangible connection of logic with a real-world application, I developed this enrichment activity.
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Investigation of Moisture-Assisted Fracture in SiO2 Films Using a Channel Cracking Technique
The technique of channel cracking was developed to study moisture-assisted crack growth in SiO2 films.
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Cross-dialectal Acoustic Data Sharing for Arabic Speech Recognition
In this paper we describe the use of acoustic data from Modern Standard Arabic (MSA) to improve the recognition of Egyptian Conversational Arabic (ECA).
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First Experiences with Early Intervention: A National Perspective
This study was designed to determine families’ initial experiences in determining their child’s eligibility, interactions with medical professionals, effort required to obtain services, participation in planning for services, satisfaction with…
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The National School District And Network Grants Program: Year 2 Evaluation Report
This report is the second in a series of reports on the evaluation of the Bill & Melinda Gates Foundation’s National School District and Network Grants Initiative, a program which…
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Technical Appendix: The National School District And Network Grants Program: Year 2 Evaluation Report
The evaluation employs a multilevel, mixed-method design to examine the work and progress of the initiative.
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The Role Of Task Templates In Assessment Design
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A Closer Look At The Digital Divide: Computer Access And Use For Disadvantaged Students
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The Roles Of Regional Partners In Supporting An International Science Inquiry Program
This paper explores the roles that regional partners play in helping to support implementation within the GLOBE program, an international earth science and education program.
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Scaling Up Restructuring Knowing: From Design Experiments To Experimental Design