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Title: Experiments in Adaptation-Guided Retrieval in Case-Based Design
Author: Smyth, Barry
Keane, Mark T.
Keywords: Case-Based Reasoning
Software Design
Issue Date: Dec-1994
Publisher: Trinity College Dublin, Department of Computer Science
Citation: [Author surname, forename]. 'Experiments in Adaptation-Guided Retrieval in Case-Based Design'. - Dublin, Trinity College Dublin, Department of Computer Science, TCD-CS-94-17, 1994, pp16
Series/Report no.: Computer Science Technical Report
Abstract: Case-based reasoning (CBR) has been applied with some success to complex planning and design tasks. In such systems, the best case is retrieved and adapted to solve a particular target problem. In general, the best case is that which can be most easily adapted to the target problem (as the overhead in adaptation is often very high). Standard CBR systems use semantic-similarity to retrieve cases, on the assumption that the most similar case is the best or easiest case to adapt. However, this assumption can be shown to be unwarranted. In this paper, we report a novel retrieval method, called adaptation-guided retrieval, that is sensitive to the ease-ofadaptation of cases. In the context of a CBR system for software-design, called Déjà Vu, we show through a series of experiments that adaptation-guided retrieval is more accurate than standard retrieval techniques, that it scales well to large casebases and that it results in more efficient overall problem-solving performance. The implications of this method and these results are discussed.
Appears in Collections:Computer Science Technical Reports

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