General Temporal Knowledge for Planning and Data Mining

Authors:
Robert Morris;Lina Khatib
Affiliations:
NASA Ames Research Center, Moffett Field, CA 94035, USA E-mail: morris@ptolemy.arc.nasa.gov;Kestrel Technology, NASA Ames Research Center, Moffett Field, CA 94035, USA E-mail: lina@ptolemy.arc.nasa.gov
Venue:
Annals of Mathematics and Artificial Intelligence
Year:
2001

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Abstract

We consider the architecture of systems that combine temporal planning and plan execution and introduce a layer of temporal reasoning that potentially improves both the communication between humans and such systems, and the performance of the temporal planner itself. In particular, this additional layer simultaneously supports more flexibility in specifying and maintaining temporal constraints on plans within an uncertain and changing execution environment, and the ability to understand and trace the progress of plan execution. It is shown how a representation based on single set of abstractions of temporal information can be used to characterize the reasoning underlying plan generation and execution interpretation. The complexity of such reasoning is discussed.