To construct a proper and simple knowledge base suitable for this system, we us web classification related technology to set up a list of key words, and use these key words to form a simple mobile self. 为了构建一个适合本系统的、简单的本体知识库,我们借助网页分类相关技术来确定我们的关键词列表,并以这些关键词为初始原语组织了一个简单的手机本体。