Graph-Based Semantic Web Service Composition for Healthcare Data Integration

Algorithm 3

Nonredundant composition.

Input: is a discovered path from the finding potential web services step

Output: is a set of composite processes of non-redundant web services

procedure NrC(pt)

 for                    //for each operation of redundant web services in a path

  if is the first sequence in then

   create           //create new composite process

   create              //create new sequence control construct

   set Seq as a sequence control construct of

  end if

                       //create new set of non-redundant composite processes

  for                     //for each redundant operations in

   for                   //for each created composite processes

                       //clone to

     Seq_i = get a sequence control construct of   //

     append o to Seq_i              //create a Perform control construct of

                   //add to a set of composite processes

   end for

  end for

                      //the composite processes set is replaced by

 end for

 return

end