Abstract A formal description is designed for process chains，determined by the processing of complex 3D geometry models．The steps of abstraction，a generically process structure，the theoretical solution set and a www-based decision tool (internet) for the search of proper process chains are detailed．
A．Tenbusch , K．-H．Grot . Design of description for geometric data determinated process chains. Chinese Journal of Engineering Design, 2004, 11(5): 292-296.
