The traditional text classifications are mostly based on the vectorial space, and the structure of classification is flat structure.
传统的文本分类大多基于向量空间，分类体系为甲面体系，忽视了类别间的层次关系。
This paper introduces a common distance algorithm based on vectorial space, and proposes novel distance and classification algorithms which orient the topic on the basis of concept-semanteme space.
本文介绍了基于向量空间的常用距离的算法，并在概念语义空间的基础上，提出一种面向主题的距离和分类的算法。
Fabric analysis studys vectorial quality of natural rock and unit in space by statistical method and illustrates or probes the produced condition and metastatic history during tectonic movement.
岩组分析是利用统计的方法研究天然岩石及其组成单元在空间向量性质，以阐明或探讨岩石形成时的条件及其在构造运动中的变形历史。
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