LPNMR
2007
Springer
13 years 10 months ago
2007
Springer
Abstract. Most complete answer set solvers are based on DPLL. One of the constraint propagation methods is the so-called lookahead, which has been somewhat controversial, due to it...
ICTAI
2007
IEEE
13 years 10 months ago
2007
IEEE
Lookahead is a well-known constraint propagation technique for DPLL-based SAT and answer set solvers. Despite its space pruning power, it can also slow down the search, due to its...