@inproceedings{LOPSTR-1994-Harmelen,
	author        = "Frank van Harmelen",
	booktitle     = "{Proceedings of the Fourth International Workshops on Logic Programming Synthesis and Transformation, and Meta-Programming in Logic}",
	doi           = "10.1007/3-540-58792-6_16",
	isbn          = "3-540-58792-6",
	pages         = "248--261",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{A Model of Costs and Benefits of Meta-Level Computation}",
	volume        = 883,
	year          = 1994,
}