Jintae Lee, Michael Grunninger, Yan Jin, Thomas W. Malone, Austin Tate, Gregg Yost, Other members of the PIF, Working Group
An earlier version of this appendix appeared as J. Lee, M. Grunninger, Y. Jin, T. Malone, A. Tate, G. Yost, and other members of the PIF Working Group (1998), The process interchange format and framework. Knowledge Engineering Review 13(1). 1998 Cambridge University Press. Reprinted by permission.