A Method of Building Domain Knowledge Base from XML Based on Semantic Views

XML Schema lacks sufficient semantics and it becomes an obstacle to integration and sharing of heterogeneous XML data. In order to resolve these problems in well engineering domain, this paper proposes an ontology-based method to build a XML knowledge base called WeKB. In this method, a series of semantic views are defined between domain ontology and XML paths, and each node of XML data is mapped with some semantic views by which all elements of XML data are transformed to OWL instances and populated to WeKB. In addition, by axioms and inference rules, WeKB is also equipped with certain reasoning functions. By practical application, it can provide effective support for decision making in oilfield production.