Privacy-Guarding Optimal Route Finding with Support for Semantic Search on Encrypted Graph in Cloud Computing Scenario

Algorithm 2

Indexbuilding.

Input:

Output:

 1: The compound terms set is = , and the chain table set is ; The two secret key sets are = and = ;

 2: for all () do

 3:  for alldo

 4:   

     /loc is the location of members in the index/

 5:   

 6:  end for

 7: end for

 8: for all () do

 9:  ifthen

 10:   for alldo

 11:    

 12:    ;

 13:   end for

 14:  end if

 15: end for

 16: return