Publications
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Random Sample Consensus: A Paradigm for Model Fitting with Applications to Image Analysis and Automated Cartography
RANSAC is capable of interpreting/smoothing data containing a significant percentage of gross errors, and is thus ideally suited for applications in automated image analysis where interpretation is based on the…
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A Ladder User’s Guide (Revised)
LADDER (Language Access to Distributed Data with Error Recovery) is a computer system designed to provide answers to questions posed at the terminal in a subset of natural language regarding…
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Diagram: A Grammar For Dialogues
This paper presents an explanatory overview of a large and complex grammar, DIAGRAM, that is used in a computer system for interpreting English dialogue.
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The Interpretation Of Verb Phrases In Dialogs
Presented and discussed are the kinds of knowledge necessary for interpreting references to actions, as well as algorithms for using that knowledge in interpreting dialog utterances about ongoing tasks and…
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Crisis In Ushasa: A Simulation Activity For Government Classes
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Metaphor, Metaphor Schemata, and Selective Inferencing
Three examples of metaphors are examined in detail in this light–a simple metaphor, a spatial metaphor schema, and a novel metaphor.
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Conversation As Planned Behavior
In this paper, a framework for investigating conversation, which for convenience will be called the Planning Approach, is developed from this hypothesis. It suggests a style of analysis to apply…
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Theoretical Foundations Of Linguistics and Automatic Text Processing
The interdisciplinary research required to design such systems have a common center, conceptually, in the development of new kinds of lexical information, since words are not only linguistics objects, they…
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Handling Complex Queries In A Distributed Data Base
As part of the continuing development of the LADDER system, we have substantially expanded the capabilities of the data base access component that serves as the interface between the natural-language…
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Artificial Intelligence: State Of The Art
The problems tackled by research workers and AI are typically large, complex, and involves ambiguity and uncertainty. AI attempts to come to grips with the real world, with all its…
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An Iconic Transform For Sketch Completion and Shape Abstraction
This paper shows how a simple label propagation technique, in conjunction with some novel ideas about how labels can be applied to an image to express semantic knowledge, lead to…
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Problem Solving Tactics
This paper describes the basic strategies of automatic problem solving, and then focuses on a variety of tactics for improving their efficiency.