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» On the Complexity of Equational Horn Clauses
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CADE
2005
Springer
14 years 5 months ago
On the Complexity of Equational Horn Clauses
Kumar Neeraj Verma, Helmut Seidl, Thomas Schwentic...
CTRS
1990
13 years 8 months ago
A Maximal-Literal Unit Strategy for Horn Clauses
A new positive-unit theorem-proving procedure for equational Horn clauses is presented. It uses a term ordering to restrict paxamodulation to potentiallymaximal sides of equations...
Nachum Dershowitz
ADC
2006
Springer
128views Database» more  ADC 2006»
13 years 10 months ago
Horn clauses and functional dependencies in complex-value databases
We extend Fagin’s result on the equivalence between functional dependencies in relational databases and propositional Horn clauses. It is shown that this equivalence still holds...
Sven Hartmann, Sebastian Link
SAT
2004
Springer
101views Hardware» more  SAT 2004»
13 years 10 months ago
Detecting Backdoor Sets with Respect to Horn and Binary Clauses
We study the parameterized complexity of detecting backdoor sets for instances of the propositional satisfiability problem (SAT) with respect to the polynomially solvable classes ...
Naomi Nishimura, Prabhakar Ragde, Stefan Szeider
TOCL
2008
102views more  TOCL 2008»
13 years 4 months ago
Flat and one-variable clauses: Complexity of verifying cryptographic protocols with single blind copying
Cryptographic protocols with single blind copying were defined and modeled by Comon and Cortier using the new class C of first order clauses, which extends the Skolem class. They s...
Helmut Seidl, Kumar Neeraj Verma