Publications
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A Closer Look At The Digital Divide: Computer Access And Use For Disadvantaged Students
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Scaling Up Restructuring Knowing: From Design Experiments To Experimental Design
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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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Novel integral formulation for scattering from multilayered dielectric cylinders of arbitrary cross section
A novel boundary integral formulation is implemented for the electromagnetic scattering of laser radiation from multilayered dielectric cylinders of arbitrary cross section.
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Direct Modeling of Prosody: An Overview of Applications in Automatic Speech Processing
We describe a direct modeling approach to using prosody in various speech technology tasks. Prosodic features are extracted directly from the speech signal and from the output of an automatic…
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Implementation variation and fidelity in an inquiry science program: An analysis of GLOBE data reporting patterns
We examined associations among teachers’ responses to survey items to patterns in GLOBE data reporting to develop hypotheses about important contextual factors related to program implementation. Implications for the study…
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Rewrite Systems for Symbolic Evaluation of C-like Preprocessing
We present convergent rewrite systems over conditional values that can interact with macro expansion and evaluation and transform them into Boolean expressions.
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Supporting Member Collaboration In The Math Tools Digital Library: A Formative User Study
In this paper, we discuss a user study done at the formative stage of development of a Math Tools developers' community.
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A Bayesian method for identifying missing enzymes in predicted metabolic pathway databases
We have developed a method that efficiently combines homology and pathway-based evidence to identify candidates for filling pathway holes in Pathway/Genome databases.
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Towards a Quantitative Platform Independent Analysis of Knowledge Systems
The Halo Pilot collaboratively developed a taxonomy of failures with the goal of creating a common framework of metrics against which we could measure inter- and intra- system failure characteristics…
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Toward a Theory of Qualitative Reasoning about Plans
We define a qualitative framework for reasoning about plan structure, defining a set of plan relations that characterize key interactions among plan components and a calculus for reasoning qualitatively about…
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A Multimodal Learning Interface for Sketch, Speak and Point Creation of a Schedule Chart
We present a video demonstration of an agent-based test bed application for ongoing research into multi-user, multimodal, computer-assisted meetings.