%0 Journal Article
%T Research on classification model in user-defined feature library<br>用户自定义特征库分类模型研究*
%A SUN Li-juan
%A WANG Zhan-bo
%A ZHANG Hui
%A <br>孙立镌
%A 王战波
%A 张辉
%J 计算机应用研究
%D 2010
%I 
%X This paper proposed a classification model of user-defined feature library based on directed acyclic graph in order to solve the problem that classification of user-defined feature library did not support user-defined feature sharing in traditional CAD system. In the model, implemented classification and sharing of feature through a directed acyclic graph formed by attaching feature information as common sub-node into classification tree, and stored the model by neutral XML document in order to improve the portability of model, at last provided the process of establishing the model. Instance shows that the model is simple and flexible, classification and sharing capabilities of user-defined feature library are improved extremely.
%K user-defined feature(UDF)
%K classification model
%K feature sharing
%K directed acyclic graph(DAG)
%K XML<br>自定义特征
%K 分类模型
%K 特征共享
%K 有向无环图
%K 扩展标记语言
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=A9D9BE08CDC44144BE8B5685705D3AED&aid=40DBFBCB0372077EE30FDD5ED73C151F&yid=140ECF96957D60B2&vid=DB817633AA4F79B9&iid=5D311CA918CA9A03&sid=120822B8C7590091&eid=A5F174D1F5F33183&journal_id=1001-3695&journal_name=计算机应用研究&referenced_num=0&reference_num=8