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Impulse Technologies
                                      Beacons U to World of technology
        044-42133143, 98401 03301,9841091117 ieeeprojects@yahoo.com www.impulse.net.in

   Enabling Secure and Efficient Ranked Keyword Search over
                    Outsourced Cloud Data
   Abstract—

   Cloud computing economically enables the paradigm of data service outsourcing.
   However, to protect data privacy, sensitive cloud data have to be encrypted before
   outsourced to the commercial public cloud, which makes effective data utilization
   service a very challenging task. Although traditional searchable encryption
   techniques allow users to securely search over encrypted data through keywords,
   they support only Boolean search and are not yet sufficient to meet the effective
   data utilization need that is inherently demanded by large number of users and
   huge amount of data files in cloud. In this paper, we define and solve the problem
   of secure ranked keyword search over encrypted cloud data. Ranked search greatly
   enhances system usability by enabling search result relevance ranking instead of
   sending undifferentiated results, and further ensures the file retrieval accuracy.
   Specifically, we explore the statistical measure approach, i.e., relevance score,
   from information retrieval to build a secure searchable index, and develop a one-
   to-many order-preserving mapping technique to properly protect those sensitive
   score information. The resulting design is able to facilitate efficient server-side
   ranking without losing keyword privacy. Thorough analysis shows that our
   proposed solution enjoys “asstrong- as-possible” security guarantee compared to
   previous searchable encryption schemes, while correctly realizing the goal of
   ranked keyword search.




  Your Own Ideas or Any project from any company can be Implemented
at Better price (All Projects can be done in Java or DotNet whichever the student wants)
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  • 1. Impulse Technologies Beacons U to World of technology 044-42133143, 98401 03301,9841091117 ieeeprojects@yahoo.com www.impulse.net.in Enabling Secure and Efficient Ranked Keyword Search over Outsourced Cloud Data Abstract— Cloud computing economically enables the paradigm of data service outsourcing. However, to protect data privacy, sensitive cloud data have to be encrypted before outsourced to the commercial public cloud, which makes effective data utilization service a very challenging task. Although traditional searchable encryption techniques allow users to securely search over encrypted data through keywords, they support only Boolean search and are not yet sufficient to meet the effective data utilization need that is inherently demanded by large number of users and huge amount of data files in cloud. In this paper, we define and solve the problem of secure ranked keyword search over encrypted cloud data. Ranked search greatly enhances system usability by enabling search result relevance ranking instead of sending undifferentiated results, and further ensures the file retrieval accuracy. Specifically, we explore the statistical measure approach, i.e., relevance score, from information retrieval to build a secure searchable index, and develop a one- to-many order-preserving mapping technique to properly protect those sensitive score information. The resulting design is able to facilitate efficient server-side ranking without losing keyword privacy. Thorough analysis shows that our proposed solution enjoys “asstrong- as-possible” security guarantee compared to previous searchable encryption schemes, while correctly realizing the goal of ranked keyword search. Your Own Ideas or Any project from any company can be Implemented at Better price (All Projects can be done in Java or DotNet whichever the student wants) 1