The Unified Problem-solving Method Development Language UPML. Knowledge and Information Systems 5(1):83–131 (2003)

by D Fensel, E Motta, V R Benjamins, M Crubezy, S Decker, M Gaspari, R Groenboom, W Grosso, M Musen, E Plaza, G Schreiber, R Studer, B Wielinga