Acta Scientiarum Naturalium Universitatis Pekinensis

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The Representation of Object : Pattern and Concept

LIU Shuzhong1, CHENG Hu2   

  1. 1Department of Computer Science and Technology, Peking University, Beijing, 100871; 2Institute of Software, Academia Sinica, Beijing, 100080
  • Received:1995-12-12 Online:1996-09-20 Published:1996-09-20

对象的表示:模式与概念

刘述忠1,程虎2   

  1. 1北京大学计算机系,北京,100871;2中国科学院软件所,北京,100080

Abstract: The problem to represent object is discussed in this paper. A feature is represented with its accompany values, and an object is represented with its accompany vector and pattern. The definition of concept is discussed according to above oppinions

Key words: concept, feature, accompany value

摘要: 讨论了对象的表示问题。根据对不同领域的考察及对实际现象的观察,文中提出了特征的伴随值的思想,用特征的伴随值来刻画特征,并由此定义了对象的表示模式及其伴随向量。在此基础上提出了用表示模式及伴随向量描述对象的思想。利用模式及伴随向量对概念进行了定义。利用上述思想,概念的抽象过程可用一系列的模式及伴随值的运算过程来细致地描述。同时,概念的特性也得到了很好的刻画。本文还对概念的内涵及外延做了简要的讨论。事实表明,伴随值、表示模式及伴随向量能够全面而细致地刻画对象,是强有力的表示方法。

关键词: 概念, 特征, 伴随值

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