Publications
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Learning and Recognition In Natural Environments
We present a system for learning descriptions of objects, and for subsequently recognizing learned objects, that functions in outdoor, natural environments.
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Separating Linguistic Analyses From Linguistic Theories
This paper explores the question of what level of linguistic practice is best suited for use in natural-language processing (NLP) efforts. In particular, I argue that because the goals and…
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Automating Argument Construction for Intelligence Analysis
We have developed both a formal basis and a framework for implementating automated reasoning systems
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A Prolog Technology Theorem Prover: Implementation By An Extended, Prolog Compiler
A Prolog technology theorem prover (PTTP) is an extension of Prolog that is complete for the full first-order predicate calculus. It differs from Prolog in its use of unification with…
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Grammars and Logics Of Partial Information
This paper is an informal survey of models of grammatical categories in unification-based formalisms from computational linguistics and their relationship to current logic programming concepts. The basic notion of partiality…
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Reasoning and Planning In Dynamic Domains: An Experiment With A Mobile Robot
In this paper, the reasoning and planning capabilities of an autonomous mobile robot are described. The reasoning system that controls the robot is designed to exhibit the kind of behavior…
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The Synthesis Of Digital Machines With Probable Epistemic Properties
Researchers using epistemic logic as a formal framework for studying knowledge properties of artificial-intelligence (AI) systems often interpret the knowledge formula to mean that machine encodes in its state as…
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Many Agents Are Better Than One
This paper aims to show how much of the frame problem can be alleviated by using domain models that allow for the simultaneous occurrence of actions and events. First, a…
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Implicature and Definite Reference
An account is given of the appropriateness conditions for definite reference, in terms of the operations of inference and implicature. It is shown how a number of problematic cases noticed…
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A Logical Approach To Reasoning By Analogy
We analyze the logical form of the domain knowledge that grounds analogical inferences and generalizations from a single instance. The form of the assumptions which justify analogies is given schematically…
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The SRI Mobile Robot Testbed: A Preliminary Report
This paper describes a mobile robot designed for experimentation in artificial intelligence (AI). Presented here are details of the robot?s hardware and software architecture. The robot is driven by two…
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Persistence, Intention, and Commitment
This paper explores principles governing the rational balance among an agent’s beliefs, goals, actions, and intentions. Such principles provide specifications for artificial agents, and approximate a theory of human action…