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Automated Planning
book

Automated Planning

by Malik Ghallab, Dana Nau, Paolo Traverso
May 2004
Intermediate to advanced content levelIntermediate to advanced
635 pages
19h 46m
English
Morgan Kaufmann
Content preview from Automated Planning
18.3 Planning Graphs 443
Strong-Conformant-Davis-Putnam()
return Generate-Weak(,)
end
Generate-Weak(φ,µ)
if φ =∅then return Test-if-Strong(µ)
if ∅∈φ then return False
if a unit clause L occurs in φ then
return Generate-Weak(assign(L,φ),µ ∪{L})
P an atom occurring in φ
return Generate-Weak(assign(P,φ),µ ∪{P})or
Generate-Weak(assign(¬P,φ),µ ∪{¬P})
end
Test-if-Strong(µ)
for each assignment µ
such that µ µ
do
if
is not satisfiable then exit with µ
return False
end
Figure 18.1 Algorithm for generating and testing strong conformant solutions.
reformulated as a QBF rather than in propositional logic. QBF solvers are employed
in place of SAT solvers. QBF logic ...
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Publisher Resources

ISBN: 9781558608566