Publications
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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…
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WebWatcher: Machine Learning and Hypertext
This paper describes the first implementation of WebWatcher, a Learning Apprentice for the World Wide Web.
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Finding Analogues for Innovative Design
We present a heuristic mapping engine that evaluates a candidate analogy based on features of the mappings between the devices’ structures, behaviors, and functions.
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Indefeasible Semantics and Defeasible Pragmatics
I propose a fine structure of the preferential interpretation in pragmatics in terms of defeasible rule interactions. A logical implementation of the preferential rule interactions is proposed using prioritized circumscription,…
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No Girls Allowed
Discusses girls' use of computers and examines why they are often discouraged and lose interest.
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Ziplock Snakes
We propose a snake-based approach that lets a user specify only the distant endpoints of the curve he wishes to delineate without having to supply an almost complete polygonal approximation.
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Using 3-Dimensional Meshes to Combine Image-Based and Geometry Constraints
A unified framework for 3-D shape reconstruction allows us to combine image-based and geometry-based information sources. The image information is akin to stereo and shape-from-shading, while the geometric information may…