Publications
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Reference-Free Objective Quality Metrics for MPEG-Coded Video
In this paper, we propose a reference-free video quality metric for MPEG coded videos. It predicts subjective quality ratings using both reference-free MPEG artifact measures and MPEG system parameters (known…
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Teaching To The Test? A Comparison Of Two High Schools’ Responses To Mandated Testing
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SRI’s 2004 NIST Speaker Recognition Evaluation System
This paper describes our recent efforts in exploring longer-range features and their statistical modeling techniques for speaker recognition. In particular, we describe a system that uses discriminant features from cepstral…
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Participatory, Example-Based Data Modeling In Padi (Padi Technical Report 4)
We describe a Web-based tool for modeling that creates and manipulates a simple data model without representing it in UML, while promoting collaboration and the use of examples to compare…
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Ontology-based discourse understanding for a persistent meeting assistant
In this paper, we present research toward ontology-based understanding of discourse in meetings and describe an ontology of multimodal discourse designed for this purpose.
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An Introduction to Padi Task Templates (Padi Technical Report 3)
Principled Assessment Designs for Inquiry (PADI) is a project supported by the National Science Foundation to improve the assessment of inquiry in science learning.
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Style consistent classification of isogenous patterns
In many applications of pattern recognition, patterns appear together in groups (fields) that have a common origin.
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Evaluating The Impact Of Implementing Student Information And Instructional Management Systems
This paper explores the drivers for this trend, the variety of systems now available, and the different purposes and emphases for their use, with the goal of helping to frame…
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Genome Annotation Errors in Pathway Databases Due to Semantic Ambiguity in Partial EC Numbers
We report on a new type of systematic annotation error in genome and pathway databases that results from the misinterpretation of partial Enzyme Commission (EC) numbers such as ‘1.1.1.-’.
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A Quasi-Experimental Study Of Student Conceptual Understanding And Inquiry Skills In Water Science
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EcoCyc: a comprehensive database resource for Escherichia coli
The mission for EcoCyc is to contain both computable descriptions of, and detailed comments describing, all genes, proteins, pathways and molecular interactions in E.coli.
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PHERL: an Emerging Representation Language for Patterns, Hypotheses, and Evidence
We are developing PHERL, an interchange language for link analysis tools, which is designed to support the sharing of patterns and hypotheses (e.g., pattern-match results).