design pattern is widely used in the software engineering field, which enables designers to reuse existing mature designs from a high level perspective. Inspired by this idea, a novel approach is proposed to extract d...
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design pattern is widely used in the software engineering field, which enables designers to reuse existing mature designs from a high level perspective. Inspired by this idea, a novel approach is proposed to extract designpatterns in the CAD field. First, the characteristics for a good design pattern are analyzed and the model for representing designpatterns is elaborated. Then, given a set of 3D feature-based CAD models, the corresponding extraction approach is proposed, which includes three important phases: (1) extracting reusable regions with high cohesion, low coupling and moderate complexity so as to form a relative integrated function;(2) constructing candidate designpatterns by clustering reusable regions using a graph-oriented agglomerative hierarchical clustering algorithm;(3) determining the final designpatterns by choosing those candidate designpatterns with high frequency and sufficient information. Finally, a design pattern extraction prototype system is developed, and the experimental results are presented to demonstrate the effectiveness of the approach. (C) 2016 Elsevier Ltd. All rights reserved.
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