• SARA 2005, Airth Castle, Scotland. Co-chairs Jean-Daniel Zucker & Lorenza Saitta.
• SARA 2002, Kananaskis Mountain Lodge Kananaskis, Alberta, Canada. With partial funding from AAAI, NASA Ames Research Center and PIMS - Pacific Institute for the Mathematical Sciences. Co-chairs Robert Holte & Sven Koenig.
• SARA 1998, Asilomar Conference Center, Pacific Grove, California. With partial funding from AAAI. Co-chairs: Tom Ellman & Fausto Giunchiglia.
• SARA 1995, Ville d'Estérel, Québec, Canada, with partial funding from AAAI.  Co-chairs: Alon Levy and Pandu Nayak.
• SARA 1994, Grand Teton National Park, Jackson Hole, Wyoming.  Chair: Jeff Van Baalen.
• 1992: Workshop on Approximation and Abstraction of Computational Theories, a AAAI 92 Workshop, San Jose, California. Chair: Tom Ellman.
• 1992: Workshop on Change of Representation and Problem Reformulation. Asilomar Conference Center, Pacific Grove, California, with partial funding from AAAI. Chair: Michael Lowry.
• 1990: Workshop on Automatic Generation of Approximation and Abstractions (AGAA 90), a AAAI 90 Workshop, Boston, Massachussets. Co-chairs: Tom Ellman and Jack Mostow.
• 1990: Workshop on Change of Representation and Problem Reformulation, Menlo Park, CA, with partial funding from AAAI.  Co-chairs:  Jeff Van Baalen and X.
• 1988: First International Workshop on Change of Representation and Inductive Bias (CRIB).  Tarrytown New York. "Change of Representation and Inductive Bias" 1990, Kluwer Academic Press, Paul Benjamin Editor. Co-chairs: Paul Benjamin, Larry Rendell, and Robert Holte.

Upcoming

• SARA 2007, Vancouver, Canada. Co-chairs: Kevin Leyton-Brown, Ian Miguel, and Wheeler Ruml.

Past

• AAAI 2000: Workshop on Spatial and Temporal Granularity, Austin, Texas. Co-Chairs: Claudio Bettini and Angelo Montanari.
• KR 2000: Workshop on Semantic Approximation, Granularity, and Vagueness, Breckenridge, Colorado. Co-Chairs: Leo Obrst and Inderjeet Mani.
• 1998: Workshop on Constraint Problem Reformulation, Pisa, Italy, held in conjunction of the Fourth International Conference on Principles and Practice of Constraint Programming (CP 98). Co-chairs: Jeremy Frank and Mihaela Sabin.
• 1993: Workshop on Knowledge Compilation and Speedup Learning, Univ. of Massachussets, Amherst, Massachussets, held in conjunction of the now-called International Conference on Machine Learning. Co-chairs: Doug Fisher, Devika Subramanian, and Prasad Tadepalli.
• 1992 Workshop on Knowledge Compilation and Speedup Learning, Aberdeen, Scotland, held in conjunction of the now-called International Conference on Machine Learning. Chair: Prasad Tapedalli.
• 1989: Workshop on Representation Issues in Machine Learning, special track in the Machine Learning Workshop. Chair: Devika Subramanian (to be confirmed).
• 1986: Workshop on Knowledge Compilation, Otter Crest, Oregon, with support from AAAI and Oregon State Universtity.  Chair: Tom Dietterich.