Malte Helmert

114 publications

8 venues

H Index 35

Affiliation

University of Basel, Switzerland
University of Freiburg, Germany

Links

Name Venue Year citations
Novelty vs. Potential Heuristics: A Comparison of Hardness Measures for Satisficing Planning. AAAI 2024 0
On the Computational Complexity of Plan Verification, (Bounded) Plan-Optimality Verification, and Bounded Plan Existence. AAAI 2024 0
Higher-Dimensional Potential Heuristics: Lower Bound Criterion and Connection to Correlation Complexity. ICAPS 2024 0
Planning with Object Creation. ICAPS 2024 0
Formal Representations of Classical Planning Domains. ICAPS 2024 0
Abstraction Heuristics for Factored Tasks. ICAPS 2024 0
Grounding Planning Tasks Using Tree Decompositions and Iterated Solving. ICAPS 2023 0
Landmark Progression in Heuristic Search. ICAPS 2023 0
Computing Domain Abstractions for Optimal Classical Planning with Counterexample-Guided Abstraction Refinement. ICAPS 2023 0
Planning over Integers: Compilations and Undecidability. ICAPS 2023 0
The FF Heuristic for Lifted Classical Planning. AAAI 2022 1
On Producing Shortest Cost-Optimal Plans. SOCS 2022 0
On the Complexity of Heuristic Synthesis for Satisficing Classical Planning: Potential Heuristics and Beyond. ICAPS 2022 1
Detecting Unsolvability Based on Separating Functions. ICAPS 2022 0
Neural Network Heuristic Functions for Classical Planning: Bootstrapping and Comparison to Other Methods. ICAPS 2022 3
Delete-Relaxation Heuristics for Lifted Classical Planning. ICAPS 2021 9
Dantzig-Wolfe Decomposition for Cost Partitioning. ICAPS 2021 1
Saturated Post-hoc Optimization for Classical Planning. AAAI 2021 0
Merge-and-Shrink: A Compositional Theory of Transformations of Factored Transition Systems. JAIR 2021 4
Exploiting Cyclic Dependencies in Landmark Heuristics. ICAPS 2021 2
Lagrangian Decomposition for Classical Planning (Extended Abstract). IJCAI 2020 1
Incremental Search for Counterexample-Guided Cartesian Abstraction Refinement. ICAPS 2020 2
Neural Network Heuristics for Classical Planning: A Study of Hyperparameter Space. ECAI 2020 25
Saturated Cost Partitioning for Optimal Classical Planning. JAIR 2020 25
Certified Unsolvability for SAT Planning with Property Directed Reachability. ICAPS 2020 5
Cost-Partitioned Merge-and-Shrink Heuristics for Optimal Classical Planning. IJCAI 2020 2
Lifted Successor Generation Using Query Optimization Techniques. ICAPS 2020 18
A Guide to Budgeted Tree Search. SOCS 2020 0
An Atom-Centric Perspective on Stubborn Sets. SOCS 2020 0
Iterative Budgeted Exponential Search. IJCAI 2019 11
Lagrangian Decomposition for Optimal Cost Partitioning. ICAPS 2019 5
Subset-Saturated Cost Partitioning for Optimal Classical Planning. ICAPS 2019 9
Counterexample-Guided Abstraction Refinement for Pattern Selection in Optimal Classical Planning. ICAPS 2019 7
A Proof System for Unsolvable Planning Tasks. ICAPS 2018 14
Search Progress and Potentially Expanded States in Greedy Best-First Search. IJCAI 2018 1
Inductive Certificates of Unsolvability for Domain-Independent Planning. IJCAI 2018 2
Counterexample-Guided Cartesian Abstraction Refinement for Classical Planning. JAIR 2018 53
Best-Case and Worst-Case Behavior of Greedy Best-First Search. IJCAI 2018 9
Unsolvability Certificates for Classical Planning. ICAPS 2017 30
Higher-Dimensional Potential Heuristics for Optimal Classical Planning. AAAI 2017 10
Strengthening Canonical Pattern Databases with Structural Symmetries. SOCS 2017 5
Narrowing the Gap Between Saturated and Optimal Cost Partitioning for Classical Planning. AAAI 2017 19
A Comparison of Cost Partitioning Algorithms for Optimal Classical Planning. ICAPS 2017 22
Value Compression of Pattern Databases. AAAI 2017 5
Abstraction Heuristics, Cost Partitioning and Network Flows. ICAPS 2017 4
Understanding the Search Behaviour of Greedy Best-First Search. SOCS 2017 0
On Variable Dependencies and Compressed Pattern Databases. SOCS 2017 0
Optimal Solutions to Large Logistics Planning Domain Problems. SOCS 2017 0
Graph-Based Factorization of Classical Planning Problems. IJCAI 2016 3
An Analysis of Merge Strategies for Merge-and-Shrink Heuristics. ICAPS 2016 27
Correlation Complexity of Classical Planning Domains. IJCAI 2016 14
Optimal Solitaire Game Solutions Using A* Search and Deadlock Analysis. SOCS 2016 0
New Optimization Functions for Potential Heuristics. ICAPS 2015 39
On the Expressive Power of Non-Linear Merge-and-Shrink Representations. ICAPS 2015 11
A Normal Form for Classical Planning Tasks. ICAPS 2015 25
From Non-Negative to General Operator Cost Partitioning. AAAI 2015 74
Heuristics and Symmetries in Classical Planning. AAAI 2015 50
Factored Symmetries for Merge-and-Shrink Abstractions. AAAI 2015 25
Heuristics for Cost-Optimal Classical Planning Based on Linear Programming. IJCAI 2015 7
Integrating Partial Order Reduction and Symmetry Elimination for Cost-Optimal Classical Planning. IJCAI 2015 16
Automatic Configuration of Sequential Planning Portfolios. AAAI 2015 53
Efficient Stubborn Sets: Generalized Algorithms and Selection Strategies. ICAPS 2014 57
Exploiting the Rubik's Cube 12-Edge PDB by Combining Partial Pattern Databases and Bloom Filters. SOCS 2014 4
Generalized Label Reduction for Merge-and-Shrink Heuristics. AAAI 2014 53
Diverse and Additive Cartesian Abstraction Heuristics. ICAPS 2014 39
Optimal Planning in the Presence of Conditional Effects: Extending LM-Cut with Context Splitting. ECAI 2014 15
Under-Approximation Refinement for Classical Planning. ICAPS 2014 6
Bounded Intention Planning Revisited. ECAI 2014 0
LP-Based Heuristics for Cost-Optimal Planning. ICAPS 2014 73
Preface. SOCS 2013 0
Incremental LM-Cut. ICAPS 2013 17
The Relative Pruning Power of Strong Stubborn Sets and Expansion Core. ICAPS 2013 33
Counterexample-Guided Cartesian Abstraction Refinement. ICAPS 2013 69
SoCS 2013 Organization. SOCS 2013 0
Getting the Most Out of Pattern Databases for Classical Planning. IJCAI 2013 60
Safe, Strong, and Tractable Relevance Analysis for Planning. ICAPS 2013 14
Stronger Abstraction Heuristics Through Perimeter Search. ICAPS 2013 6
Trial-Based Heuristic Tree Search for Finite Horizon MDPs. ICAPS 2013 101
About Partial Order Reduction in Planning and Computer Aided Verification. ICAPS 2012 46
Learning Portfolios of Automatically Tuned Planners. ICAPS 2012 48
How to Relax a Bisimulation? ICAPS 2012 16
A Stubborn Set Algorithm for Optimal Planning. ECAI 2012 36
Optimal Planning for Delete-Free Tasks with Incremental LM-Cut. ICAPS 2012 29
Better Parameter-Free Anytime Search by Minimizing Time Between Solutions. SOCS 2012 0
Non-Optimal Multi-Agent Pathfinding is Solved (Since 1984). SOCS 2012 0
Efficient Implementation of Pattern Database Heuristics for Classical Planning. SOCS 2012 0
Computing Perfect Heuristics in Polynomial Time: On Bisimulation and Merge-and-Shrink Abstraction in Optimal Planning. IJCAI 2011 67
Sound and Complete Landmarks for And/Or Graphs. ECAI 2010 104
Strengthening Landmark Heuristics via Hitting Sets. ECAI 2010 87
The Scanalyzer Domain: Greenhouse Logistics as a Planning Problem. ICAPS 2010 38
The More, the Merrier: Combining Heuristic Estimators for Satisficing Planning. ICAPS 2010 80
Landmark Heuristics for the Pancake Problem. SOCS 2010 76
High-Quality Policies for the Canadian Traveler's Problem. AAAI 2010 72
Relative-Order Abstractions for the Pancake Problem. ECAI 2010 11
High-Quality Policies for the Canadian Traveler's Problem. SOCS 2010 0
Pattern Database Heuristics for Fully Observable Nondeterministic Planning. ICAPS 2010 0
Concise finite-domain representations for PDDL planning tasks. Artificial Intelligence 2009 262
Enhancing the Context-Enhanced Additive Heuristic with Precedence Constraints. ICAPS 2009 25
Message-Based Web Service Composition, Integrity Constraints, and Planning under Uncertainty: A New Connection. JAIR 2009 56
Preferred Operators and Deferred Evaluation in Satisficing Planning. ICAPS 2009 114
Landmarks, Critical Paths and Abstractions: What's the Difference Anyway? ICAPS 2009 475
Landmarks Revisited. AAAI 2008 258
Unifying the Causal Graph and Additive Heuristics. ICAPS 2008 119
Explicit-State Abstraction: A New Method for Generating Heuristic Functions. AAAI 2008 26
How Good is Almost Perfect?. AAAI 2008 127
On the Relative Expressiveness of ADL and Golog: The Last Piece in the Puzzle. KR 2008 13
Accuracy of Admissible Heuristic Functions in Selected Planning Domains. AAAI 2008 35
Domain-Independent Construction of Pattern Database Heuristics for Cost-Optimal Planning. AAAI 2007 223
Flexible Abstraction Heuristics for Optimal Sequential Planning. ICAPS 2007 275
New Complexity Results for Classical Planning Benchmarks. ICAPS 2006 68
The Fast Downward Planning System. JAIR 2006 1525
Aproximation Properties of Planning Benchmarks. ECAI 2006 12
A Planning Heuristic Based on Causal Graph Analysis. ICAPS 2004 252
Complexity results for standard benchmark domains in planning. Artificial Intelligence 2003 133
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