中文摘要：

传统的专业信息服务网的信息获取技术在信息获取过程中,存在大量的冗余信息,使得用户很难快速找到自己真正感兴趣的内容。因此,需要研究一种新的、有效的信息获取方式。本文建立了一个基于GAE面向本体语义的专业信息服务网信息自主更新系统,用于从相关的网站上及时、准确地获取所需的各种相关信息,已在独立开发的省情网和农民工信息服务网上进行实验性应用。实验结果表明,该系统信息获取的召回率和准确率都高于其他信息获取技术。

英文摘要：

Using the traditional technology to get information in professional service net,it usually gets much redundant information which the users don＇t care about.This paper proposes a updated-automatically system in professional information service net which is based on cloud-computing platform GAE and semantic of ontology model.This system has already tested in ShengQing net and NongMinGong net which are developed by ourselves.The result shows that the system can improve the efficiency of getting information,and the recall efficiency and veracity are higher than others methods.