摘要
针对目前实例检索方法中确定属性权重所存在的问题,基于客观赋权法,应用粗集理论,研究了确定属性权重的分配方法。该方法避免了主观赋权法存在的属性权重不确定性问题,有效地提高了检索的准确性。通过实例分析,验证了方法的优越性。
In view of the problem of distributing attribute weight in the method of the case retrieval, a method of attribute weight distribution is researched by using Rough Set theory based on objective weighted method. This method can avoid the uncertain problem of distributing attribute weight using subjective weighted method and effectively improve the accuracy of the retrieval. The superiority of this method is authenticated though the example analysis.
出处
《机械设计与制造》
北大核心
2009年第10期229-231,共3页
Machinery Design & Manufacture
基金
湖北省自然科学基金(2007ABA394)
关键词
粗集理论
实例检索
属性权重
客观赋权法
Rough set theory
Case retrieval
Attribute weight
Objective weighted method
