Publications
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Agent Development Tools for the Open Agent Architecture
The ADT provides a variety of mechanisms that support the specification and implementation of individual agents, as well as cooperating communities of agents. This paper discusses a number of general…
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A Protocol for Maintaining Multidatabase Referential Integrity
We propose a network protocol whereby a database administrator can provide information about changes to the identifiers of objects in their database via Internet, to allow other databases to maintain…
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Motion of points and lines in the uncalibrated case
In the present paper we address the problem of computing structure and motion, given a set point and/or line correspondences, in a monocular image sequence, when the camera is not…
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Educational Software Architecture And Systemic Impact: The Promise Of Component Software
This report describes results from a national telephone survey that asked parents about their attitudes, beliefs, and practices related to early learning, science learning, and digital media use...
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Building A Foundation For Information Literacy: Creating An Annotated WWW-Index By Children For Children
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Integrated Access to Metabolic and Genomic Data
We describe the design and implementation of visual presentations that closely mimic those found in the biology literature, and employ a frame knowledge representation system (FRS) called HyperTHEO to manage…
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Adapting EcoCyc for Use on the World Wide Web
We have developed a Web server tool, written in Common Lisp, that allows existing graphical user interface applications written using the Common Lisp Interface Manager (CLIM) to hook easily into…
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Facilitating Collaborative Problem Solving With Distant Mentor
This work addresses the problem of helping learners develop concepts and skills needed to be productive in the fast-changing technical workplace. It marries the kind of informal, on-demand learning preferred…
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Mentors In The Classroom: Bringing The World Outside In
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A Procedural Knowledge Approach to Task-Level Control
This paper describes PRSLite, a task-level controller grounded in a procedural knowledge approach to action description.
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Noise-resistant Feature Extraction and Model Training for Robust Speech Recognition
We present a novel noise-robust feature extraction algorithm that is a combination of our previously developed minimum mean square error (MMSE) log-energy estimation algorithm and the probabilistic optimum filtering (POF)…
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EcoCyc: Electronic Encyclopedia of E. coli Genes and Metabolism
The EcoCyc graphical user interface allows scientists to query and explore the EcoCyc database using visualization tools such as genomic-map browsers and automatic layouts of metabolic pathways.