基于扩展主题词表的页岩气领域本体构建研究

Study on Approach of Building Shale Gas Domain Ontology Based on Extended Thesaurus

我国地质资源丰富,但资源标准化程度低、语义不一致、应用难度大。因此,按知识结构组织地质资源是地质信息管理和服务的重中之重。随着互联网技术的不断发展,基于本体的语义检索技术逐渐成为知识服务的基础与热点。与以往基于主题词表的领域本体构建方法不同,对主题词表进行了全面的扩展,概念上参照《页岩气知识读本》、《非常规油气地质》等书进行归并增删;关系上除保留《石油主题词表》的"用代分属参"基本关系外新增了方法、定义等描述信息;同时设计添加了主题词表所不具备的实例。通过一系列的概念扩展、关系扩充、属性定义和实例添加,最终清晰地展示了页岩气领域的知识脉络,为领域知识服务奠定了坚实基础。

With the development of Internet technology and explosive information, the construction of domain ontology has become key technology to solve the integration of high-quality electronic resources and heterogeneous distributed database. A method of constructing shale gas domain ontology based on extended thesaurus is proposed. While retaining the basic relations of oil thesaurus, concept and properties are further expanded and improved. The concept and the instance are further expanded with reference to books of Knowledge of shale gas, Unconventional oil and gas geology, Petroleum Geology and Encyclopaedia of Petroleum Exploration and Development in China. Attributes and relations are also defined and added. Eventually, shale gas domain ontology clearly shows the knowledge of geological domain, which lays a good foundation for the knowledge service of geological domain.