Trust-Based Missing Link Prediction in Signed Social Networks with Privacy Preservation

Algorithm 1. PLU ().

Require: the simhash index of the target user: &

 the simhash index of each user

Ensure: each target user sets PLU ()

Let PLU () = Φ

while each do

 ifthen

   ifthen

   else

   end if

   enqueue into PLU()

   update PLU()

 end if

end while

Algorithm 1. PLU ().