Simple Recommender System Web Service

 This workflow takes macro value of user request and computes top-n recommendations from already learned model on train set. Macro value is transformed to example set with

the appropriate \textit{user identification} role within \textit{ProcessInput} subprocess operator.

Simple recommendation web service workflow takes three inputs:

\begin{enumerate}

\item Macro value \textit{user} - identification number of user request

\item Train set from RM repository

\item Learned Model from RM repository

\end{enumerate}