一种基于演化代价约束的本体演化方法  

An Ontology Evolution Approach Based on Evolution Cost Constrain

作　　者：周栩[1] 罗景文[1] 周桐[1] 刘磊[1] 

机构地区：[1]吉林大学计算机科学与技术学院,长春130012

出　　处：《吉林大学学报（理学版）》2010年第4期646-652,共7页Journal of Jilin University:Science Edition

基　　金：国家自然科学基金(批准号:60873044);教育部博士学科点专项科研基金(批准号:20060183044)

摘　　要：针对本体演化方法提出粒度最小的演化基本操作,即附加演化元操作并引入了演化代价的概念;根据实体对本体影响内容的不同将其分类进行量化分析,实现了演化代价的计算方法;为减少本体演化中的演化代价,适应复杂的本体演化环境,给出一组演化操作策略集,以简化演化过程.实验结果表明,该COST启发式算法可以降低演化代价,有效减少了搜索空间并加速了演化过程.The authors presented two concepts additional atomy-change and the cost of ontology evolution,classified the ontology entities based on their influence on different functions and services,and derived the formula for calculating the cost of evolution via quantitative analysis on the influence.In order to reduce the cost of ontology evolution and to adapt the complicate environment for ontology evolution,a group of evolution operation strategies were given.Finally the COST algorithm was put forward to decrease the cost and to limit the search space so as to accelerate evolution process.

关 键 词：本体演化 附加演化操作 演化代价 演化操作策略 图搜索 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论]