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In hierarchical planning, landmarks are tasks that occur on any search path leading from the initial plan to a solution. In this work, we present novel domain-independent planning strategies based on such hierarchical landmarks. Our empirical evaluation on four benchmark domains shows that these landmark-aware strategies outperform established search strategies in many cases.doi:10.1609/aaai.v26i1.8366 fatcat:32af4q3e7bek5pwkpd5qe5uamy