Figure 6 describes an implementation-specific solution to satisfy what is specified by the logical system model. Figure 6 shows database application model with web application. There are 6 tables. They realize 6 objects by object-relational mapping. A Disease object is realized by “Disease” table. A Drug object is realized by “Disease” table and “Drug” table. A Gene object is realized by “Disease” table and “Gene” table. A SNP object is realized by “Jsnp” table. A SideEffect object is realized by “SideEffect” table. A DrugCandidate object is realized by “Interaction” table.