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Safe and high secured ranked keyword searchover an outsourced cloud data

机译:通过外包的云数据进行安全,高度安全的排名关键字搜索

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Cloud computing empowers the prototypical of data service outsourcing. To defend data concealment, penetrating cloud data has to be encrypted before outsourced to the salable public cloud. Traditional searchable encryption techniques provision only Boolean search and are not yet plenty to meet the operative data utilization need that is inherently demanded by large number of users and enormous amount of data files in cloud. In this project, we delineate and elucidate the tricky of sheltered ranked keyword search over encrypted cloud data. Ranked search momentously enhances system usability by enabling search result relevance ranking in its place of sending undifferentiated results, and auxiliarywarrants the file retrieval precision. we explore the statistical measure methodology, i.e. relevance score, from information retrieval to physique a sheltered searchable index, and progress a one-to-many order-preserving mapping technique to appropriatelyshelter those penetrating score information.
机译:云计算使数据服务外包的原型成为可能。为了保护数据隐藏,在将渗透的云数据外包给可出售的公共云之前,必须对其进行加密。传统的可搜索加密技术仅提供布尔搜索,但仍不足以满足大量用户和云中大量数据文件固有的可操作数据利用需求。在本项目中,我们描述并阐明了在加密的云数据上进行隐蔽排名关键字搜索的技巧。排名搜索通过启用搜索结果相关性排名代替发送未区分结果的位置,从而瞬间提高了系统可用性,并辅助保证文件的检索精度。我们探索了统计测度方法,即相关度分数,从信息检索到确定隐蔽的可搜索索引,并发展了一对多的顺序保存映射技术来适当地保护那些穿透性分数信息。

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