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Elkawkagy, Mohamed
Improving Hierarchical Planning Performance by the Use of Landmarks
Elkawkagy, Mohamed (Ulm University) | Bercher, Pascal (Ulm University) | Schattenberg, Bernd (Ulm University) | Biundo, Susanne (Ulm University)
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.