1Fuggetta A, Ghezzi C, Mandrioli D, et al.VLP: a visual language for prototyping[C]//IEEE Workshop on Languages for Automa- tion,College Park,MD, 1988.
2Lamma E, Mello P, Riguzzi F,A system for measuring function points[C]//Proceedings of the 6th Intl Conference on Practical Ap- plications of Prolog and 4th Intl Conference on Practical Appli-cations of Constraint Technology,London, 1998:41-60.
3ISO/IEC 14143-1.Information technology-software measurement- functional size measurement-partl:definition of concepts[S],1998.
4Cuadrado-Gallego J J,Machado-Piriz F,Aroba-Paez J,On the con- version between IFPUG and COSMIC software functional size units:a theoretical and empirical study[J].The Journal of Systemsand Software,2008,81:661-672.
5Ochodek M,Nawrocki J, Kwarciak K,Simplifying effort estima- tion based on use case points[J].Information and Software Tech- nology, 2011, 53 : 200-213.
6Ceddia J,Dick M.Automating the estimation of project size from software design tools using modified function points[C]//Proceed- ings of the 6th Conference on Australasian Computing Educa- tion, 2004: 33-39,.