Publications
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Palm Education Pioneers Program Round I Preliminary Evaluation Report
Through the PEP program, Palm has equipped more than 175 classrooms throughout the United States with a handheld computer for every student. CTL’s research will help determine the impact that…
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Capturing Analytic Thought
We are developing a new methodology that retains the ease of use, the familiarity, and (some of) the free-form nature of informal methods, while benefiting from the rigor, structure, and…
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The GeoWeb — A New Paradigm for Finding Data on the Web
We propose to build and maintain this open standards-based infrastructure on a new top-level domain called .geo that will enable anybody to publish and search for all metadata referring to…
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Handheld Computers In Education: Current Trends And Future Research
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Improved Maximum Mutual Information Estimation Training of Continuous Density HMMs
We derive a new set of equations for MMIE based on a quasi-Newton algorithm, without relying on EBW. We find that by adopting a generalized form of the MMIE criterion,…
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A Framework for Robust 3-D Change Detection
We present an application of our framework for 3-D object-centered change detection to combined satellite and aerial imagery.
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Observations on Overlap: Findings and Implications for Automatic Processing of Multi-Party Conversation
We examine the distribution of overlapping speech in different corpora of natural multi-party conversations, including two types of meetings, and two corpora of telephone conversations.
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The Need For A Coordinated Engineering Discipline For The Production Of Educational Software
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GeoVRML: Open Web-based 3D Cartography
In this paper, we will concentrate on a few of the commercially available tools that support the GeoVRML format, and also describe some of the capabilities that this solution provides…
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Designing Tools To Enable Every Child To Learn More Advanced Mathematics: The Simcalc Project And Beyond
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Detecting Independently Moving Objects and Their Interactions in Georeferenced Airborne Video
In this paper, we describe a novel technique for detecting independent movement by analyzing georeferenced object motion relative to the trajectory of the camera. The method is demonstrated on over…
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A broad host range replicon with different requirements for replication initiation in three bacterial species
To examine initiation events in bacteria unrelated to Escherichia coli, the genes encoding the replicative helicase, DnaB, of Pseudomonas putida and Pseudomonas aeruginosa were isolated and used to construct protein…