Brain Aid Prolog

(BAP) A parallel Prolog environment for transputer systems by Frank Bergmann <fraber@fraber.de>, Martin Ostermann <ost@xan.dfv.rwth-aachen.de>, and Guido von Walter <guido@parsytec.de> of Brain Aid Systems GbR. BAP is based on a model of communicating sequential Prolog processes. The run-time system consists of a multi-process operating system with support for several applications running concurrently.

http://fraber.de/bap/.