H2SA-ALSH: A Privacy-Preserved Indexing and Searching Schema for IoT Data Collection and Mining

Algorithm 2

-AMIP search of H2SA-ALSH.

Input: The query q, threshold , the number of disjoint sets K, and the structure of H2SA-ALSH: ;

Output: The approximate MIP objects

Compute ;

;

;

fordo

   ;

   Ifthen

     Break

   End

   Fordo

     Compute the hash value of using SRP-LSH hash family;

     If the causes hash collision with using “hash banding” technique then

       Ifthen

          ;

       Else

          ;

          ;

       End

     End

     ;

     ;

   End

End

Return