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SHYSTER-MYCIN: A Hybrid Legal Expert System
Thomas A O'Callaghan affiliation not provided to SSRN James Popple Australian National University; Government of the Commonwealth of Australia - Attorney Generals Department Eric McCreath Australian National University Proceedings of the Ninth International Conference on Artificial Intelligence and Law (ICAIL-03), June 2003 Abstract: SHYSTER-MYCIN combines a case-based legal expert system (SHYSTER) with a rule-based expert system (MYCIN) to form a hybrid legal expert system. MYCIN's reporting has been improved for use with SHYSTER-MYCIN to provide more useful information about the system's conclusions. SHYSTER-MYCIN's output was tested against that of a group of lawyers, not expert in the test domain (Australian copyright law). This allowed the system's reasoning, rather than its depth of knowledge, to be tested. Testing indicates that SHYSTER-MYCIN's approach to the law - using a rule-based system to reason with legislation and a case-based system to reason with cases - is appropriate.
Keywords: law, legal, expert systems, artificial intelligence, jurisprudence, legal reasoning, hybrid, evaluation, testing, MYCIN, SHYSTER Accepted Paper SeriesDate posted: January 31, 2009 ; Last revised: January 31, 2009Suggested CitationContact Information
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