Case Based ReasoningWhat is Case-Based Reasoning?Basic Steps4 General ConceptsRepresentation IssuesHow are old cases used?Why Case-Based Reasoning is GoodTrends in Case Based ReasoningApplications of CBRCase Based ReasoningMelanie HansonEngr 315What is Case-Based Reasoning?•Storing information from previous experiences•Using previously gained knowledge to solve current problems•Similar to human problem solving methodsBasic Steps•Identify the problem/case•Look for a similar, previously experienced case•Predict a solution, possibly different from past experiences•Evaluate the solution•Update the system with the results4 General Concepts•Retrieve–Find similar cases•Reuse–Use old case to solve current case•Revise–Create a solution•Retain–Save the correct solutionRepresentation Issues•Decide what to store•Choosing the appropriate structure•Organizing memory •General knowledgeHow are old cases used?•Compositional: Combine several solutions to make one best solution•Transformational: Use the solution from a previous case•Derivational: Apply the solution achieving processWhy Case-Based Reasoning is Good•Low maintenance•Improves with use•Uses learned knowledge plus general knowledge•Case representation is easy to understandTrends in Case Based Reasoning•Integrate with other learning methods•Integrate with other reasoning components•Incorporate into massive parallel processing•Advancement by focusing on new cognitive aspectsApplications of CBR•Help desks•Diagnosing problems•Decision making when considering past similar
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