@InProceedings{helmert_et_al:DagSemProc.09491.3,
  author =	{Helmert, Malte and Domshlak, Carmel},
  title =	{{Landmarks, Critical Paths and Abstractions: What's the Difference Anyway?}},
  booktitle =	{Graph Search Engineering},
  pages =	{1--2},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2010},
  volume =	{9491},
  editor =	{Lubos Brim and Stefan Edelkamp and Erik A. Hansen and Peter Sanders},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.09491.3},
  URN =		{urn:nbn:de:0030-drops-24324},
  doi =		{10.4230/DagSemProc.09491.3},
  annote =	{Keywords: Planning, heuristic search, heuristic functions}
}