▁so cio - e conom ic ▁status , ▁infrastr ucture ▁status , ▁and ▁business ▁status . ▁This ▁is ▁the ▁reason ▁why ▁the ▁S GE A ▁is ▁analog ous ▁to ▁a ▁" city ▁plan ▁that ▁details ▁policies ▁and ▁standards ▁for ▁the ▁design ▁of ▁infrastr ucture ▁techn ologies , ▁databases , ▁and ▁applications ." ▁ ▁Reference ▁Mod els ▁ ▁The ▁S GE A ▁has ▁four ▁developed ▁reference ▁models ▁which ▁are ▁listed ▁below : ▁ ▁Business ▁Reference ▁Model ▁( BR M ) ▁- ▁The ▁BR M ▁addresses ▁the ▁B A , ▁and ▁describes ▁the ▁L ines ▁of ▁Business es ▁and ▁Business ▁Function s ▁performed ▁by ▁different ▁government ▁ag encies . ▁ ▁Data ▁Reference ▁Model ▁( DR M ) ▁- ▁The ▁DR M ▁addresses ▁the ▁I A . ▁It ▁spec ifies ▁the ▁data ▁definitions ▁for ▁data ▁elements ▁that ▁are ▁commonly ▁used ▁across ▁government . ▁ ▁Solution ▁Reference ▁Model ▁( SR M ) ▁- ▁The ▁SR M ▁addresses ▁the ▁SA , ▁and ▁describes ▁the ▁systems ▁and ▁service ▁components ▁that ▁can ▁be ▁shared ▁across ▁government . ▁ ▁Techn ical ▁Reference ▁Model ▁( TR M ) ▁- ▁The ▁TR M ▁is ▁addressed ▁by ▁the ▁Service - wide ▁Techn ical ▁Architecture ▁( SW TA ) ▁established ▁since ▁ 2 0 0 2 . ▁ ▁References ▁▁▁ ▁Government ▁Enter prise ▁Architecture ▁in ▁Singapore : ▁Iss ues , ▁Pract ices ▁and ▁Tr ends ▁ ▁External ▁links ▁ ▁Government ▁Enter prise ▁Architecture ▁( S GE A ) ▁ ▁Category : Sing ap ore ▁government ▁policies <0x0A> </s> ▁Nov o ▁S elo ▁() ▁is ▁a