CABARET: rule interpretation in a hybrid architecture |
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| Affiliation: | 1. Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Plaza Dr. Pasteur s/n, 35016, Las Palmas de Gran Canaria, Spain;2. Instituto Canario de Investigación del Cáncer (ICIC), Plaza Dr. Pasteur s/n, 35016, Las Palmas de Gran Canaria, Spain;3. Spanish Biomedical Research Centre in Physiopathology of Obesity and Nutrition (CIBERObn), Plaza Dr. Pasteur s/n, 35016, Las Palmas de Gran Canaria, Spain;4. Infectious Diseases and Tropical Medicine Unit, Hospital Universitario Insular de Gran Canaria, Avda. Marítima del Sur, 35016 Las Palmas de Gran Canaria, Spain;5. Department of Medical and Surgery Sciences, Universidad de Las Palmas de Gran Canaria, Plaza Dr. Pasteur s/n, 35016 Las Palmas de Gran Canaria, Spain;1. Artificial Intelligence R&D Laboratory (LIDIA), ICIC Universidad Nacional del Sur - Alem 1253, Bahía Blanca (8000), Buenos Aires, Argentina;2. Argentine National Council of Scientific and Technical Research (CONICET), Sarmiento 440, Ciudad Autónoma de Buenos Aires, Argentina;3. Department of Mathematics - Universidad Nacional de Santiago del Estero, Belgrano(s) 1912, Capital, Sgo. del Estero (4200), Argentina;4. Department of Computer Science and Engineering - Universidad Nacional del Sur, San Andrés 800, Campus Palihue, Bahía Blanca, Argentina |
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| Abstract: | Rules often contain terms that are ambiguous, poorly defined or not defined at all. In order to interpret and apply rules containing such terms, appeal must be made to their previous constructions, as in the interpretation of legal statutes through relevant legal cases. We describe a system CABARET (CAse-BAsed REasoning Tool) that provides a domain-independent shell that integrates reasoning with rules and reasoning with previous cases in order to apply rules containing ill-defined terms. The integration of these two reasoning paradigms is performed via a collection of control heuristics, which suggest how to interleave case-based methods and rule-based methods to construct an argument to support a particular interpretation. CABARET is currently instantiated with cases and rules from an area of income tax law, the so-called “home office deduction”. An example of CABARET's processing of an actual tax case is provided in some detail. The advantages of CABARET's hybrid approach to interpretation stem from the synergy derived from interleaving case-based and rule-based tasks. |
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