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  ON COMPUTING THE GCWA

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by C. A. Johnson
http://www.keele.ac.uk/depts/cs/Research/Dake/dake-tr/1994/cj-gcwa.ps.gz
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Abstract:

Abstract. The computational complexity of a number of problems relating to minimal models of deductive databases is considered. In particular, it is shown that Minker's generalised closed world assumption (GCWA) is

Citations

131 On indefinite databases and the closed world assumption. Lecture – Minker
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101 Propositional circumscription and extended closed-world reasoning are� P�-complete – Eiter, Gottlob - 1993
93 On closed world databases – Reiter - 1978
87 The complexity of facets (and some facets of complexity – Papadimitriou, Yannakakis - 1984
66 Negation in Logic Programming – Shepherdson - 1988
61 More complicated questions about maxima and minima, and some closures of NP – Wagner - 1987
45 The polynomial time hierarchy – Stockmeyer - 1976
44 Deduction in non-horn databases – Yahia, Henschen - 1985
18 Answering Queries in Indefinite Databases and the Null Value Problem – Grant, Minker - 1986
12 Compiling the GCWA in Indefinite Databases – Henschen, Park - 1988
10 Generalized Closed World Assumption is – Chomicki, Subrahmanian - 1990
10 On the Semantics of Stratified Deductive Databases – Przymusinski - 1986
8 The Theory of Computability – Sommerhalder, Westrhenen - 1988
8 Complete sets and the polynomial time hierarchy – Wrathall - 1977
6 Deduction trees and the view update problem in indefinite deductive databases – Johnson - 1997
3 Coping with indefinite and negative data in deductive databases: A survey, Data Knowledge Engineering 2 – Chisholm, Chen, et al. - 1987
3 Top-down Deduction in Indefinite Deductive Databases – Johnson - 1993
2 Handling indefinite and negative data in a deductive database – Johnson - 1991
2 Some extensions to the closed world assumption – Naqvi - 1986
1 Query answering in stratified deductive databases, in preparation – Johnson