# Developing a Recommendation Model for the Smart Factory System
## 4 Result of SFS Development
### Result of Analyzing Alternatives Evaluation of SFS by Indicator Weight
#### 4.4.2 Weights Construction  
This study analyzes the weights of the following eight dimension and gives the most important dimension with the highest score, the second important dimension with the second highest score, and so on. The weights of each dimension in the SFS alternative recommendation are analyzed, as shown in Table 5 and the weights of recommendation indicators, such as \"Information Quality\" dimension, are shown in Table 6. The results of the sorting of all the indicators are shown in Table 7. \begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline
**Dimension** & **Expert A** & **Expert B** & **Expert C** & **Expert D** & **Expert E** & **Total** & **Weight** \\ \hline \hline Information & 5 & 5 & 5 & 3 & 6 & 24 & 0.133 \\ Quality & 4 & 8 & 3 & 5 & 5 & 25 & 0.140 \\ Service Quality & 8 & 2 & 8 & 6 & 7 & 31 & 0.172 \\ SFS Function & 2 & 4 & 6 & 4 & 2 & 18 & 0.100 \\ Characteristic & & & & & & & \\ Information & 7 & 7 & 7 & 7 & 8 & 36 & 0.200 \\ Security & & & & & & & \\ Perceived Value & 6 & 3 & 2 & 1 & 3 & 15 & 0.083 \\ Perceived Risk & 3 & 1 & 4 & 8 & 4 & 20 & 0.111 \\ UI Design & 1 & 6 & 1 & 2 & 1 & 11 & 0.061 \\ Total & 36 & 36 & 36 & 36 & 36 & 180 & 1 \\ \hline \hline \end{tabular}
\end{table} 
Table 5: The weight of dimensions for SFS. \begin{table}
\begin{tabular}{c c c c c c c} \hline \hline
**Dimension** & **Dimension** & **Recommendation Indicator** & **Indicator Weight** \\ \hline \hline Information & & SFS can provide helpful information. (S-02) & 0.248 \\ \cline{3-6}  & & SFS can provide up-to-date information. (S-03) & 0.219 \\ \cline{2-6} Information & & SFS can provide complete information. (S-01) & 0.171 \\ Quality & & SFS can provide production operation relevant information. (S-04) & 0.152 \\ \cline{2-6}  & & SFS can provide understandable information. (S-05) & 0.105 \\ \cline{2-6}  & & SFS can provide accurate information. (S-06) & 0.105 \\ \hline \hline \end{tabular}
\end{table} 
Table 7: The sorting of all the recommendation indicators. According to the above research results, the following eight dimensions can be summarized. (1) \"Information Quality\"  
\"SFS can provide helpful information\" and \"SFS can provide up-to-date information\" are the top two most important items. As SFS gather information by RFID sensors and analyze business decision, useless information or out-of-date information might cause incorrect business decisions. (2) \"System Quality\"  
\"SFS is reliable of its operation\" and \"SFS can yield information quickly\" are the top two most important items. As SFS has different interconnected sub-systems among all six production procedures, if there are errors or problems that lead to downtime, they will result in extra human resources being used or higher costs to monitor production procedures. Therefore, the SFS's operation must be stable and yield information rapidly. (3) \"Service Quality\"  
\"SFS Suppliers are trustworthy\" and \"SFS Suppliers can provide practical assistance to solve customer's problems\" are the top two most important items. Since system users might sometimes encounter problems when manipulating the system, SFS suppliers should provide reliable solutions so that the system can be used appropriately. In summary, the