【摘要】 在分析从关系数据库学习本体方法现状与不足,考虑到结构化范例库蕴含更丰富语义信息且拥有大量可复用的领域知识的基础上,提出一个低时间复杂度的结构化范例库向OWL本体自动映射的算法,并阐述该算法的流程。其优点在于不仅能获取范例库中蕴含的语义信息,而且将范例、规则知识项直接映射为对应的OWL个体,从而实现最大限度的知识复用。应用实例证实了该算法的有效性。更多还原

【Abstract】 On the basis of analyzing the status and shortage of existing methods about ontology learning from relational databases and considering the fact that structural case bases imply more semantic information and include vast domain knowledge,an automatic mapping algorithm from structural case bases to OWL ontology with low time-complexity is proposed and specified in this paper.Semantic information implied in case bases can be discovered and knowledge items about cases and rules stored in case bases can be mapped to individuals of OWL ontology directly to achieve domain knowledge reuse by the greatest extent.Validation of the algorithm is proved by an experiment.更多还原