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Details of Grant 

EPSRC Reference: GR/K65041/01
Title: LOGICAL THEORIES AND DECISION PROCEDURES FOR REASONING ABOUT PHYSICAL SYSTEMS
Principal Investigator: Cohn, Professor AG
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department: Sch of Computing
Organisation: University of Leeds
Scheme: Standard Research (Pre-FEC)
Starts: 01 August 1995 Ends: 30 November 1998 Value (£): 200,398
EPSRC Research Topic Classifications:
Artificial Intelligence
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Summary on Grant Application Form
Software technology has evolved towards increased abstraction in programming. Nevertheless, in manipulating many kinds of information the programmer is often drawn to low-level details of implementation. For example, a qualitative relationship between two physical bodies, such as The sensor is in contact with the block, might be modelled in terms of co-ordinates and equations; but the simple relation of contact becomes disintegrated amongst complex data-structures and algorithms.We aim to develop formal theories which provide high-level vocabulary for specifying information and about physical systems and enable consequences of this information to be computed in finite time. We intend to cover the following domains: (1) shapes and configurations (2) dynamical properties (3) time and causation.The computational aspect must be emphasised: we aim to provide decision procedures rather than just logical representations. In moving towards practical applications of abstract reasoning, we believe that decision procedures are a crucial intermediate step between logical theories and effective algorithms. Such procedures can provide a powerful programming tool, abstracting away from data manipulation. They will appear to the programmer simply as a type of function-call but will encapsulate powerful reasoning capabilities. We shall produce prototype software in the areas of Geographical Information Systems and Virtual World Simulation.
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Organisation Website: http://www.leeds.ac.uk