CAJ | 학술논문

基于本体的语义信息集成主要解决了异构数据源之间的模式级异构,但对于分布环境下普遍存在的上下文异构无法解决,这导致用户从信息集成系统得到的结果仍然存在语义异构.针对这种不足,本文提出了一种上下文知识的形式化描述和推理机制,并将这种上下文机制引入基于本体的语义信息集成中,同时对其进行扩展,使得扩展后的语义信息集成系统可以自动检测和消除上下文语义异构,从而形成了完整的语义异构解次方案.
기우본체적어의신식집성주요해결료이구수거원지간적모식급이구,단대우분포배경하보편존재적상하문이구무법해결,저도치용호종신식집성계통득도적결과잉연존재어의이구.침대저충불족,본문제출료일충상하문지식적형식화묘술화추리궤제,병장저충상하문궤제인입기우본체적어의신식집성중,동시대기진행확전,사득확전후적어의신식집성계통가이자동검측화소제상하문어의이구,종이형성료완정적어의이구해차방안.
Ontology-based semantic information integration can resolve the schematic semantic heterogeneity among dis-tributed data sources but can not resolve the context heterogeneity. This situation leads to the semantics of results returned from the information integration system is still unclear. To this deficiency the context representation and inference mecha-nism is introduced to existed semantic information integration system to extent the capable of resolving semantic heterogene-ity. In the extended system, the context heterogeneity can be detected and resolved automaticly so that the complete seman-tic heterogeneity solution can be formed.