一种新的本体映射发现方法SME

Novel Approach of Ontology Mapping Extraction SME

本体映射是基于本体的语义查询与集成的基础。本体映射发现的任务是从源本体和目标本体的相似度中发现本体映射,它是本体映射的关键。将本体映射发现问题看成是集合覆盖问题,提出一种基于集合覆盖的本体映射发现方法SME(SCM-based Mapping Extraction),该方法在训练阶段找到最大程度覆盖训练数据的属性集,在测试阶段利用这些属性集在测试数据上对应属性值的交操作来发现映射。实验证明该方法具有较好的综合性能。

Ontology mapping is the foundation of semantic query and semantic integration based on ontology. As the crucial point of ontology mapping, the task of mapping extraction is to find whether there exists the ontology mapping among the similarities between source ontology and target ontology. In this paper the problem of mapping extraction was regarded as the problem of set covering,and a novel ontology mapping extraction algorithm based on set covering SME （SCM-based Mapping Extraction） was proposed, by which the property set that covers the training data set in maximum degree was searched during training stage, and the mapping extraction was carried out by means of the conjunction of the properties of property set in testing data set during testing stage. Experimental evaluations show that this method has better comprehensive performances compared with other algorithms.