提出一种基于描述逻辑的地理本体融合方法。首先约定两个本体当中的等价概念作为基于规则的逻辑推理起点,再分别从直接推理与传递推理角度讨论了本体概念、角色及其相互间的等价、蕴涵、重叠与相离等匹配关系,依次将一个本体中的概念与角色逐渐并入另一个本体中,并以基础地理信息数据和土地利用数据进行融合实验,验证了该方法的有效性。
An approach for merging geo-ontologies using description logics is proposed. The first step in this method is to find the concepts and roles between two given ontologies. Then, the equivalent concepts between two ontologies are provided as a starting point. Second, by combining direct with transitive reasoning methods,we used reasoners (Pellet and SPARQLDL Java API) to detect semantic relations (equivalence, subsumption, overlap and disjunction) between the concepts and roles of two ontologies including concepts vs. concepts, roles vs. roles, concepts vs. roles. Third, the concepts and roles in the resource ontology are gradually merged into the target ontology. Finally, experiments are conducted by combining fundamental geographic information and land use data for China. The re- suits indicate that the proposed method is feasible and valid for merging geo-ontologies.