Double Cache Approach with Wireless Technology for Preserving User Privacy

Algorithm 1

Input: Query (q) of User A   Output: Answers of q

// Search-Function

1 if (q ∈ Query in Cache₁) then

2 = ( in Cache₁) + 1

3 Return

4 end

5 else

6 Insert (q in Cache₂)

7 Get first q~ of Cache₂ // Unknown User

8 Insert to Cache₁ with

9 Query with in the Cache₁ will be deleted.

10 end

11 Recall Search-Function

12 End Function