基于关系数据库的大规模本体的存储模式研究

A study on storage schema of large scale ontology based on relational database

通过对现有本体存储模式的分析,给出了本体存储模式的设计原则,并基于该原则提出了一种新的本体存储模式.该模式针对本体描述语言的特点,将本体查询常用的信息存放在不同的表中.整个模式易于理解,结构稳定,并且减少了本体查询时进行表连接的代价,提高了查询效率.实验结果表明,该存储模式不仅具有较高的查询效率,而且具有良好的可扩展性,适用于存储大规模的本体.

By analyzing existing ontology storage schemas,the principle of designing ontology storage schema is given and a new storage schema is proposed based on the principle.In this schema,according to the characteristics of ontology description language,frequently queried information is stored in multiple tables,which makes the schema understandable and stable.Furthermore the schema can increase the query efficiency by reducing the cost of table join. The experimental results show that the storage schema in this paper is fit for large-scale ontology because of its high efficiency and good scalability.