Publications
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Characterizing the Performance of Multiple-Image Point-Correspondence Algorithms using Self-Consistency
A new approach to characterizing the performance of point- correspondence algorithms is presented.
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Robust Text-Independent Speaker Identification over Telephone Channels
This paper addresses the issue of closed-set text-independent speaker identifcation from samples of speech recorded over the telephone. It focuses on the effects of acoustic mismatches between training and testing…
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At the Boundary of Workflow and AI
This paper describes how techniques from the AI community, specifically reactive control, planning, and scheduling, could be leveraged to develop powerful, next-generation adaptive workflow engines that provide many of the…
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Task-based Information Management
We are constructing a system, called the Task-based Information Distribution Environment (TIDE), that delivers information to participants in a dynamic collaboration by evaluating the relevance of incoming and newly generated…
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Reconfigurable Elements for a Video Pipeline Processor
This paper describes a family of reconfigurable processing elements (RPEs) used to support video processing for the Sarnoff Vision Front End 200 (VFE-200) vision system.
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Construct Validation Of Mathematics Achievement: Evidence From Interview Procedures
This study investigated the validity of measures derived from a large-scale multiple-choice achievement test in mathematics, using evidence from introspective think-aloud protocols of students as they attempted test items.
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A Collaborative Environment for Authoring Large Knowledge Bases
We present an architecture for scalable frame representation systems (FRSs). KBs must be supported for rapid construction by a collaborative effort of teams of knowledge engineers through reuse of existing…
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Organizing Principles for Science Education Partnerships: Case Studies of Students’ Learning About ‘Rats in Space’ and ‘Deformed Frogs
We show that our Scaffolded Knowledge Integration framework gives partnerships a head start on effective designs. We illustrate this process with the Deformed Frogs partnership and the Rats in Space…
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From Moo To Meow: Domesticating Technology For Online Communities
Informed by our experience with TAPPED IN and reviews of related work, we are developing a new online “community-ware” technology called MEOW (Multi-user Educational Online Workspace) which can scale to…
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Integrated Pathway/Genome Databases and Their Role in Drug Discovery
We describe pathway-based analyses of the genomes of a number of medically relevant microorganisms, and a novel software tool that provides visualization of gene expression data on a diagram showing…
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EcoCyc: Electronic Encyclopedia of E. coli Genes and Metabolism
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How Inner-City Children See Their Family, School, Peers And Neighborhood: Developmental Changes During The Transition To Adolescence