Research Article

Dynamically Predicting the Quality of Service: Batch, Online, and Hybrid Algorithms

Algorithm 3

Hybrid algorithm.
Input: the set of new available invocation records , all available invocation records
       regularization parameter , learning rate , number of latent factors , max iterations itmax, and
       the latest
Output: parameter set
while do
  Update parameters by Algorithm 1, given , , , , and as the input parameters;
  if RBAC == true then
   Update parameters by Algorithm 1, given , , , , itmax, and as the input parameters;
  end if
end while