{"pk":31698,"title":"From Models to Cases: Where Do Cases Come From and What Happens When A Case is Not Available","subtitle":null,"abstract":"The origin of cases is a central issue in cogni-\ntive models of case-based reasoning. Some recent\nwork proposes the use of weak methods for gener-\nating solutions when a relevant case is not avail-\nable, and chunking the solutions into cases for\npotential reuse. Our theory of case-based spsi-\ntial planning and navigation suggests a different\napproach in which mental models of the world\nprovide a way for solving new problems and ac-\nquiring cases. These mental models also pro-\nvide a scheme for organizing the case mmeory,\nadapting old cases, and verifying new plans. The\nuse of multiple methods, such as the case-based\nand model-based methods, raises another impor-\ntant issue in reasoning, namely, how to oppor-\ntunistically select and dynamically integrate the\nmethods. Our theory sujjgests the use of simple\nmeta^reasoning to recursively select an appropri-\nate method as the problem is decomposed into\nsubproblems. This leads to the dynamic integra-tion of different methods where one method is\nused for one subproblem and a different method\nfor another subproblem.","language":"eng","license":{"name":"","short_name":"","text":null,"url":""},"keywords":[],"section":"Submitted Presentations","is_remote":true,"remote_url":"https://escholarship.org/uc/item/9dw62784","frozenauthors":[{"first_name":"Ashok","middle_name":"K .","last_name":"Goel","name_suffix":"","institution":"Georgia Institute of Technology","department":""},{"first_name":"Michael","middle_name":"W.","last_name":"Donnellan","name_suffix":"","institution":"Georgia Institute of Technology","department":""},{"first_name":"Juan","middle_name":"Carlos","last_name":"Santamaria","name_suffix":"","institution":"Georgia Institute of Technology","department":""},{"first_name":"Todd","middle_name":"J.","last_name":"Callantine","name_suffix":"","institution":"Georgia Institute of Technology","department":""},{"first_name":"Andres","middle_name":"Gomez","last_name":"de Silva","name_suffix":"","institution":"Georgia Institute of Technology","department":""}],"date_submitted":null,"date_accepted":null,"date_published":"1993-01-01T18:00:00Z","render_galley":null,"galleys":[{"label":"PDF","type":"pdf","path":"https://journalpub.escholarship.org/cognitivesciencesociety/article/31698/galley/22766/download/"}]}