1.jena只是个api,可以操作本体文件(rdf,owl)。protege是本体编辑器。eclipse是java开发环境。推理机有racer,kaon2,fact等。 2.学Java必读的两个开源程序就是Jive和Pet Store。 3.先说一下xml和html的区别: XML was designed to describe data and focus on what data is. HTML was designed to display data and focus on how data looks.
4. XML stands for EXtensible Markup Lang