Milanese, V.2014-10-212014-10-2119881467-8659http://dx.doi.org/10.1111/j.1467-8659.1988.tb00580.xThe Prolog language and GK.S are considered in an integrated fashion in order to create a flexible graphics environment. Prolog descriptive properties are devoted to creating hierarchical schemata which can be instantiated on application data, validated against topological constraints, and handled and drawn, at a low level, by GKS primitives.10.1111/j.1467-8659.1988.tb00580.x9-20