Publications
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Designing Technology Assessments Cognitive-Based Modular Design
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Integrating Palm Technology Into WISE Inquiry Curriculum: Two School District Partnerships
We describe a program of research to explore how Palm Pilot technology can facilitate inquiry activities in K-12 science and mathematics curriculum.
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Structuring Group Learning Within A Web-Based Science Inquiry Program
We examined trends in the ways science teachers organized students into groups to implement one prominent one Web-based science inquiry program, Global Learning and Observations to Benefit the Environment (GLOBE).
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Evolution Of An On-Line Education Community Of Practice
The concept of community of practice has become a major theme of teacher professional development (TPD) research and practice.
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How Students Coordinate The Use Of Representations And Explanations In Introductory Genetics Learning
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The past, present and future of genome-wide re-annotation
We define the process of annotating a previously annotated genome sequence as 're-annotation', and examine the strengths and weaknesses of current manual and automatic genome-wide re-annotation approaches.
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The Radiometry of Multiple Images
We introduce a methodology for radiometric reconstruction, the simultaneous recovery of multiple illuminants and surface albedoes from multiple views, assuming that the geometry of the scene and of the cameras…
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Lightweight solutions for user interfaces over the WWW
We present some lightweight tools that have been essential in producing applications with complex interactive interfaces.
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Putting the ‘Learning’ in Adventure Learning: Design Principles for Technology-supported Classroom Inquiry
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Self-consistency, Stereo, MDL, and Change detection
Our main goal is to predict the accuracy of an output element of an existing stereo algorithm
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Constrained optimization based control of real time large-scale systems: airjet object movement system
This paper demonstrates that hyper-redundant systems are capable of system self-identification, and that constrained optimization can effectively solve problems associated with control of many-element systems.
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Multispeaker Speech Activity Detection for the ICSI Meeting Recorder
We have developed a more sophisticated approach for multichannel speech activity detection using a simple hidden Markov model (HMM).