By Robert P. Kurshan (auth.), Sven Koenig, Robert C. Holte (eds.)
It has been famous because the inception of man-made Intelligence (AI) that abstractions, challenge reformulations, and approximations (AR&A) are imperative to human good judgment reasoning and challenge fixing and to the power of structures to cause successfully in advanced domain names. AR&A suggestions were used to unravel a number of initiatives, together with automated programming, constraint pride, layout, analysis, computing device studying, seek, making plans, reasoning, video game enjoying, scheduling, and theorem proving. the first goal of AR&A strategies in such settings is to beat computational intractability. additionally, AR&A strategies are necessary for accelerating studying and for summarizing units of options. This quantity includes the complaints of SARA 2002, the 5th Symposium on Abstraction, Reformulation, and Approximation, held at Kananaskis Mountain resort, Kananaskis Village, Alberta (Canada), August 2 four, 2002. The SARA sequence is the continuation of 2 separate threads of workshops: AAAI workshops in 1990 and 1992, and an advert hoc sequence starting with the "Knowledge Compilation" workshop in 1986 and the "Change of illustration and Inductive Bias" workshop in 1988 with followup workshops in 1990 and 1992. the 2 workshop sequence merged in 1994 to shape the 1st SARA. next SARAs have been held in 1995, 1998, and 2000.
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Additional resources for Abstraction, Reformulation, and Approximation: 5th International Symposium, SARA 2002 Kananaskis, Alberta, Canada August 2–4, 2002 Proceedings
Spatiotemporal Abstraction of Stochastic Sequential Processes Agent H0 41 water trap - 4 stochastic primitive actions (Up, Down, Left and Right) - Fail 10% of times, when not passing the water trap - Fail 30% of times, when passing the water trap and holding both keys H3 (Goal) H1 - 8 multi-step navigation options (to each room’s 2 hallways) - One single step no-op option - 3 stochastic primitive actions for keys (get-key, key-nop and putback-key) - 2 multi-step key options (pickup-key) for each key - Drops the keys 20% of times when passing through the water trap and holding both keys H2 Fig.
All of the techniques for abstraction of subproblems can, of course, be used to reformulate problems in the ways already described, but in addition it is possible to use the existence of generic types to reformulate problems in canonical structures, or to add control information that is associated with the existence of generic types within a problem allowing automatic reformulation for planning systems that currently rely on hand-coded control rules . 5 Conclusions Reformulation has played and continues to play a vital role in planning.
D. Long and M. Fox. Automatic synthesis and use of generic types in planning. In Proc. of 5th Conference on Artificial Intelligence Planning Systems (AIPS), pages 196–205. AAAI Press, 2000. 30. D. Long and M. Fox. Multi-processor scheduling problems in planning. In Proc. of ICAI’01, Las Vegas, 2001. 31. D. Long, M. Fox, L. Sebastia, and A. Coddington. An examination of resources in planning. In Proc. of 19th UK Planning and Scheduling Workshop, Milton Keynes, 2000. 32. D. Fox. Planning with generic types.
Abstraction, Reformulation, and Approximation: 5th International Symposium, SARA 2002 Kananaskis, Alberta, Canada August 2–4, 2002 Proceedings by Robert P. Kurshan (auth.), Sven Koenig, Robert C. Holte (eds.)