Abstract: The concepts， categorization and representation of knowledge in views of the macro and micro ecosystem of information-knowledge-intelligence are presented， and the quantitative measures for various categories of knowledge are established. It is seen that the measures of knowledge are closely related to that of comprehensive information to certain extent. The relationship between the knowledge measures and the measures of comprehensive information， may provide a sound base for further invastigation of the theory of knowledge as well as the unified theory of information， knowledge and intelligence.

Key words: macro-ecosystem of knowledge（information-knowledge-intelligence）, micro-ecosystem of knowledge（innate-emirical-regular-commonsense）, measures of knowledge

摘要： 探讨在知识生态（包括内生态和外生态）系统意义下的知识概念、分类、描述和度量方法。结果表明，知识的度量与全信息的度量具有内在联系。这种联系将为进一步研究知识理论以及建立信息、知识、智能的统一理论提供良好的基础。

关键词: 外生态（信息-知识-智能）, 内生态（本能-经验-知识-常识）, 知识度量