基于对象关系数据库的电力信息网本体映射

Power Information Network Ontology Mapping Based on Object-Relational Databases

为了解决电力信息网资源集成与共享的问题,提出了一种从电力信息网数据库映射本体的方法。首先给出了该方法的三元组模型,依据该模型提出了从对象关系数据库映射本体的3类规则,并给出了相应的Web本体语言描述。在美国加州大学语义计算实验室的Semantic Objects项目中,将该方法与从关系数据库映射本体方法相比,能够减少约18%的映射时间,表明该方法是可行且高效的。将该方法实际应用到成都市科技计划项目"电力设备健康状态评估系统"的信息整合平台中,取得了良好效果。

To solve the problems of integrating and sharing information in power information network, an ontology mapping approach from object-relational databases is proposed. Firstly we proposed a 3-tuple ontology mapping model, then formalized three types of rules in ontology mapping based on the model. Finally we detailed the map- ping results in Web ontology language. Experiments show our approach is feasible via applying it in Semantic Objects project of Semantic Computing Laboratory in UC Irvine. Our approach reduces about eighteen percent mapping time comparing with the ontology mapping from relational databases. Further more we applied our approach in the power information network of a Chengdu Seience Plan Project and obtained good results.