The Centralized Scheduler vs. the Distributed Specialists: Towards a Flexible Controller in Prolog for Expert Systems. - Raf Venken; Maurice Bruynooghe; Luc Dekeyser; Bruno Krekels (Wissensbasierte Systeme, 1985)

Compiling Control. - Maurice Bruynooghe; Danny De Schreye; Bruno Krekels (J. Log. Program., 1989)