基于知识网的知识表达度量方法及其应用  

Measure method and its application of knowledge representation based on knowledge mesh

作　　者：杨人子[1,2] 严洪森[1] 

机构地区：[1]东南大学自动化研究所,南京210096 [2]东南大学数学系,南京210096

出　　处：《系统工程理论与实践》2010年第6期1067-1076,共10页Systems Engineering-Theory & Practice

基　　金：国家自然科学基金(60934008;60574062)

摘　　要：为解决知识网库中知识网的选择问题,提出基于知识网的知识表达度量方法.首先,定义知识量函数,详细证明了度量公式的性质和在知识网运算中的若干结论;然后,将知识表达度量方法应用于基于用户功能需求的知识网选择中,提出基于用户功能需求的相似性和知识量两个评价知识网的量化指标;最后,通过实例对该方法进行说明和验证,表明了该方法的有效性和可行性.The measure method of knowledge representation based on knowledge mesh is proposed to solve the selection of knowledge mesh in knowledge mesh base.Firstly,the definition of knowledge amount was given,and its properties and conclusions in knowledge mesh operation were proved in detail.Then,the measure method of knowledge representation was applied to the selection of knowledge mesh based on user＇s functional requirements.The similarity and knowledge amount based on user＇s functional requirements were used to quantitatively evaluate the knowledge mesh.Finally,the proposed method was exemplified, which shows the effectiveness and the feasibility of the method.

关 键 词：知识网 多重集 知识量 综合测度 功能需求 相似性 

分 类 号：TP11[自动化与计算机技术—控制理论与控制工程] TH165[自动化与计算机技术—控制科学与工程]