中文摘要：

从用户个人信息的搜集、用户描述文件建立、搜索结果排序和系统评价四个方面详细阐述了个性化搜索技术并比较分析了不同技术的优缺点,从防止未经许可的数据访问和保护发布数据的安全两个方面介绍了隐私保护技术的研究状况,并分析了目前个性化搜索中隐私保护技术的研究成果及其存在的局限性,最后归纳出需要进一步解决的问题。

英文摘要：

For the threat of disclosure of user information and privacy caused by personalized search,privacy protection technology in personalized search becomes a recent research hotspot.First of all,the personalized search technology is expounded from four aspects including the collection of personal information,the establishment of user profile,search results sorting and system evaluation. And the advantages and disadvantages of different technologies are compared.Then,the privacy protection technology is discussed in detail from two aspects containing prevention of unauthorized data access and security of released data.In addition,the current research achievements and the limitations of privacy protection in personalized search are analyzed.At last,further problems which need to be solved are presented.