© 2000 Todd Neller.  A.I.M.A. text figures © 1995 Prentice Hall.  Used by permission.
Combining Approaches
•One can combine:
–Variable/value ordering heuristics,
–Constraint propagation, and
–Intelligent backtracking
–to greatly increase efficiency of search.
•However, tree search is not the only kind of search that can be applied…