Efficient and Secure Searchable Clinical Patient Information on Cloud Infrastructure
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Abstract
Cloud computing economically permits the paradigm of information service outsourcing. However, to shield information privacy, sensitive cloud information need to be encrypted before outsourced to clinical cloud, that make efficient information utilization service a really hard task though ancient searchable secret writing techniques enable users to firmly search over encrypted information through keywords, they support solely Boolean search and don't seem to be nonetheless comfortable to satisfy the effective information utilization would like that's inherently demanded by sizable amount of users and large amount of information files in cloud. In paper outline and solve the matter of secure hierarchic keyword search over encrypted information on clinical cloud. For large data searching various techniques are keyword searchable encryption technique allow user to search data through keywords. In searchable encryption having problem searching go through every retrieving file and unnecessary network traffic. Ranked search data searching various techniques are keyword searchable encryption technique allow user to search data through keywords. The relevance score from information retrieval to build a secure searchable index, process one-to-many order-preserving mapping technique to protect those sensitive score information. The design is able to make easy efficient server-side ranking without losing keyword privacy. The Ranked keyword search system enhances system handling by search result and file retrieval correctness. In ranked keyword search system having data owner, data user and cloud server to effective data searching capabilities.
Keywords: Ranked search, information retrieval, searchable encryption, confidential data, cloud computing.
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