Publications
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Knowledge Representation in the Large
We describe the design and implementation of a storage subsystem that submerges a database management system (DBMS) within a knowledge representation system.
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Learning In Interactive Environments: Prior Knowledge And New Experience
Educators often focus on the ideas that they want their audience to have. But research has shown that a learner’s prior knowledge often confounds an educator’s best efforts to deliver…
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Motion of an uncalibrated stereo rig: self-calibration and metric reconstruction
We address in this paper the problem of self-calibration and metric reconstruction (up to a scale) from one unknown motion of an uncalibrated stereo rig, assuming the coordinates of the…
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The Generic Frame Protocol
The Generic Frame Protocol (GFP) is an application program interface for accessing knowledge bases stored in frame knowledge representation systems (FRSs).
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A State-Space Striatal Model
This chapter considers the role of the striatum in computing purposeful state changes.
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Adapting CLIM Applications for Use on the World Wide Web
We have developed a Web server tool, written in Common Lisp, that allows any existing graphical user interface application written using the Common Lisp Interface Manager (CLIM) to hook easily…
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An Efficient Probabilistic Context-Free Parsing Algorithm that Computes Prefix Probabilities
We describe an extension of Earley's parser for stochastic context-free grammars that computes quantities given a stochastic context-free grammar and an input string.
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WebWatcher: A Learning Apprentice for the World Wide Web
We describe an information seeking assistant for the world wide web. This agent, called WebWatcher, interactively helps users locate desired information by employing learned knowledge about which hyperlinks are likely…
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New results in stereo-based automatic vehicle guidance
Presents new results on vision based longitudinal and lateral vehicle control. The novel feature of this approach is the use of binocular vision.
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Planning and Reacting in Uncertain and Dynamic Environments
The CYPRESS system is a domain-independent framework for defining persistent agents with this full range of behavior. It has been used for several demanding applications, including military operations, real-time tracking,…
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WebWatcher: Knowledge Navigation in the World Wide Web
We describe a learning apprentice system, called WebWatcher, which both performs the kind of indexing used by Web catalogers like Lycos, and attempts to exploit the two sources of knowledge…
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An integrated stereo-based approach to automatic vehicle guidance
We integrate two modules consisting of a new, domain-specific, efficient binocular stereo algorithm, and a lane marker detection algorithm, and show that the integration results in a improved performance for…