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.
出处
《系统工程理论与实践》
EI
CSSCI
CSCD
北大核心
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)
关键词
知识网
多重集
知识量
综合测度
功能需求
相似性
knowledge mesh
multiple redundancy set
knowledge amount
synthesis measure
function requirement
similarity
