一种较简单的逻辑算子是「传递闭包(Transitive Closure)，记作TC。设R为某论域U上的二元关系，TC(R)就 是在U中包含R的最小传递关系。
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reflexive and transitive closure 自反传递闭包
reflexive transitive closure 自反传递闭包
weak transitive closure 弱传递闭包
transitive closure method 传递闭包法
Transitive Closure Graph 传递闭包图
fuzzy transitive closure 模糊传递闭包
transitive closure matrix 传递闭包矩阵
Now the popular clustering algorithm is transitive closure clustering algorithm and Fuzzy c means clustering algorithm.
目前常有的聚类算法有传递闭包聚类算法和Fuzzy c-mean算法。
参考来源 - 特征权学习在无导师聚类中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
And generate Rs reflexive closure, symmetric closure and transitive closure.
并且生成r的自反闭包、对称闭包和传递闭包。
The equivalence relation defined by the (transitive closure of the) set of imposed constraints implies N L = N L
实施的约束集合（的传递封包）所定义的等价关系表明：N L = N L
Additional local predicates that are not automatically provided by DB2 that can provide predicate transitive closure.
其他的非db2自动提供的，而又能提供谓词传递闭包的本地谓词。
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