Publications
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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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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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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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Mentors In The Classroom: Bringing The World Outside In
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Ropes: an alternative to strings
We claim that the traditional implementations of strings, and often the supported functionality, are not well suited to such general-purpose use.
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Expert systems versus systems for experts
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The role of intelligent systems in the national information infrastructure
AI techniques can play a central role in the development of a useful and usable NII by (1) enabling the construction of human-computer interface systems that are goal-oriented, cooperative, and…
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A Robust Technique for Matching Two Uncalibrated Images Through the Recovery of the Unknown Epipolar Geometry
This paper proposes a robust approach to image matching by exploiting the only available geometric constraint, namely, the epipolar constraint.
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A Comparative Study of Speaker Adaptation Techniques
In this paper, we study various ML-based techniques and compare experimental results on data sets with recordings from nonnative and native speakers of American English. In feature-space techniques, we hypothesize…
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Connectionist Speaker Normalization and Adaptation
We explore supervised speaker adaptation and normalization in the MLP component of a hybrid hidden Markov model/multilayer perceptron version of SRI's DECIPHER™ speech recognition system. Our approach combines both adaptation…