Representing Null Values in Logic Programming

Bonnie Traylor, Michael Gelfond. Representing Null Values in Logic Programming. In Anil Nerode, Yuri Matiyasevich, editors, Logical Foundations of Computer Science, Third International Symposium, LFCS 94, St. Petersburg, Russia, July 11-14, 1994, Proceedings. Volume 813 of Lecture Notes in Computer Science, pages 341-352, Springer, 1994.

Abstract

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