Analyzing Search Topology Without Running Any Search: On the Connection Between Causal Graphs and h+.

J. Hoffmann Analyzing Search Topology Without Running Any Search: On the Connection Between Causal Graphs and h+. 155-229 2011 41 J. Artif. Intell. Res. (JAIR) http://dx.doi.org/10.1613/jair.3276 db/journals/jair/jair41.html#Hoffmann11