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TIME
1999
IEEE
15 years 11 months ago
Symbolic Representation of User-Defined Time Granularities
In the recent literature on time representation, an effort has been made to characterize the notion of time granularity and the relationships between granularities, in order to ha...
Claudio Bettini, Roberto De Sibi
LPNMR
1999
Springer
15 years 11 months ago
A Comparison of Sceptical NAF-Free Logic Programming Approaches
Recently there has been increased interest in logic programming-based default reasoning approaches which are not using negation-as-failure in their object language. Instead, defau...
Grigoris Antoniou, Michael J. Maher, David Billing...
TPHOL
1997
IEEE
15 years 11 months ago
Higher Order Quotients and their Implementation in Isabelle HOL
This paper describes the concept of higher order quotients and an implementation in Isabelle. Higher order quotients are a generalization of quotients. They use partial equivalence...
Oscar Slotosch
LICS
1994
IEEE
15 years 11 months ago
McColm's Conjecture
Gregory McColm conjectured that positive elementary inductions are bounded in a class K of nite structures if every (FO + LFP) formula is equivalent to a rst-order formula in K. H...
Yuri Gurevich, Neil Immerman, Saharon Shelah
DLOG
2007
15 years 9 months ago
Conjunctive Query Entailment for SHOQ
An important reasoning task, in addition to the standard DL reasoning services, is conjunctive query answering. In this paper, we present a decision procedure for conjunctive query...
Birte Glimm, Ian Horrocks, Ulrike Sattler