Representations for Reasoning about Change

This paper explores representations used to reason about objects which change over time, and the processes which cause changes. Specifically, we are interested in solving a problem known as geologic interpretation. To help solve this problem, we have developed a simulation technique, which we call i...

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Bibliographic Details
Main Authors: Simmons,Reid G, Davis,Randall
Format: Report
Language:English
Subjects:
Artificial intelligence
Bionics
Change detection
Cognition
Computer applications
Decision making
Diagrams
Expert systems
Geology
Geology, Geochemistry and Mineralogy
Human Factors Engineering & Man Machine System
Imaging
Information processing
Knowledge representation
Natural language
Patterns
Physical properties
Problem solving
Qualitative reasoning
Reasoning
Scenarios
Simulation
Structural geology
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Summary:This paper explores representations used to reason about objects which change over time, and the processes which cause changes. Specifically, we are interested in solving a problem known as geologic interpretation. To help solve this problem, we have developed a simulation technique, which we call imaging. Imaging takes a sequence of events and simulates them by drawing diagrams. In order to do this imaging, we have developed two representations of objects, one involving histories and the other involving diagrams, and two corresponding representations of physical processes, each suited to reasoning about one of the object representations. These representations facilitate both spatial and temporal reasoning. (Author) Revision of paper presented at the ACM Workshop on Motion, Apr 83, Toronto (Canada).