Jena工具包，为使用Java进行基于本体的规则推理提供有用的支持。-Jena toolkit for the use of Java-based ontology reasoning rules provide useful support.

参考Jena 2.5文档，使用Jena将本体存入MySQL的文档和例子-an example of writeing Ontology into MySQL by using Jena

jena是一个java 的API,用来支持语义网的有关应用,学习jena需要了解XML 、RDF、 Ontology、OWL等方面的知识。-jena is a java API to support the Semantic Web application, learning the jena need to understand the knowledge of XML, RDF, Ontology OWL.