▁awarded ▁a ▁Ph D ▁in ▁ 1 9 7 2 ▁for ▁a ▁study ▁in ▁nuclear ▁physics . ▁He ▁has ▁performed ▁research ▁on ▁the ▁method ology ▁of ▁knowledge - based ▁system ▁design ▁and ▁knowledge ▁ac quisition . ▁In ▁ 1 9 8 6 , ▁Wiel ing a ▁was ▁appointed ▁full ▁professor ▁of ▁Social ▁Science ▁In format ics ▁( S WI ) ▁in ▁the ▁Fac ulty ▁of ▁Psych ology . ▁Wiel ing a ▁leads ▁several ▁research ▁projects , ▁including ▁K AD S , ▁A CK now ledge , ▁RE F LECT ▁and ▁K AD S - II ▁and ▁was ▁one ▁of ▁the ▁main ▁contrib utors ▁to ▁the ▁development ▁of ▁the ▁K AD S ▁method ology ▁for ▁knowledge ▁based ▁system ▁development . ▁ ▁Publications ▁▁ ▁Wiel ing a , ▁Bob ▁J ., ▁Sch rei ber , ▁ ▁A . ▁Th . ▁and ▁Bre uk er , ▁Jo ost ▁A . ▁" K AD S : ▁A ▁mod elling ▁approach ▁to ▁knowledge ▁engineering ." ▁Know ledge ▁ac quisition ▁ 4 . 1 ▁( 1 9 9 2 ): ▁ 5 - 5 3 . ▁ ▁See ▁also ▁ ▁Know ledge ▁Ac quisition ▁and ▁Document ation ▁Struct uring ▁ ▁Common K AD S ▁ ▁University ▁of ▁Amsterdam ▁ ▁References ▁ ▁External ▁links ▁The ▁information ▁on ▁this ▁page ▁was ▁taken ▁from ▁Wiel ing a ' s ▁home page ▁at ▁the ▁University ▁of ▁Amsterdam . ▁ ▁Category : 1 9 4 5 ▁birth s ▁Category : D utch ▁academ ics ▁Category : Univers ity ▁of ▁Amsterdam ▁al umn i ▁Category