Delay, Freeze, Suspensions, Attributed Variables, Coroutines, ...

1986

• Patrice Boizumault: A General Model to Implement DIF and FREEZE. ICLP 1986: 585-592
• Lee Naish: Negation and Control in Prolog. Lecture Notes in Computer Science, Vol. 238, Springer 1986, ISBN 3-540-16815-X

1987

• Mats Carlsson: Freeze, Indexing, and Other Implementation Issues in the WAM. ICLP 1987: 40-58

1990

• Serge Le Huitouze: A New Data Structure for Implementing Extensions to Prolog. PLILP 1990: 136-150
• Dan Sahlin: Finding the Least Fixed Point Using Wait-Declarations in Prolog. PLILP 1990: 151-158

1992

• Christian Holzbaur: Metastructures versus Attributed Variables in the Context of Extensible Unification. PLILP 1992: 260-268
• Micha Meier, Joachim Schimpf: An Architecture for Prolog Extensions. ELP 1992: 319-338

1993

• Micha Meier: Better Late Than Never. ICLP-Workshops on Implementation of Logic Programming Systems 1993: 151-165

1994

• Jacques Noyé: Backtrackable Updates. ILPS Workshop: Implementation Techniques for Logic Programming Languages 1994: 0-
• Manuel V. Hermenegildo, Daniel Cabeza Gras, Manuel Carro: Using Attributed Variables in the Implementation of Parallel and Concurrent Logic Programming Systems. Workshop on Design and Impl. of Parallel Logic Programming Systems 1994: 42-53

1995

• Micha Meier, Joachim Schimpf: Control in ECLiPSe. ECRC TR 95-7
• Micha Meier, Pascal Brisset: Open Architecture for CLP. ECRC TR 95-10