A Planning Graph Heuristic for Forward-Chaining Adversarial Planning. - Pascal Bercher; Robert Mattmüller (ECAI, 2008)

Solving Non-deterministic Planning Problems with Pattern Database Heuristics. - Pascal Bercher; Robert Mattmüller (KI, 2009)

Pattern Database Heuristics for Fully Observable Nondeterministic Planning. - Robert Mattmüller; Manuela Ortlieb; Malte Helmert; Pascal Bercher (ICAPS, 2010)

On the Decidability of HTN Planning with Task Insertion. - Thomas Geier; Pascal Bercher (IJCAI, 2011)

Advanced user assistance based on AI planning. - Susanne Biundo; Pascal Bercher; Thomas Geier; Felix Müller; Bernd Schattenberg (Cogn. Syst. Res., 2011)

Improving Hierarchical Planning Performance by the Use of Landmarks. - Mohamed Elkawkagy; Pascal Bercher; Bernd Schattenberg; Susanne Biundo (AAAI, 2012)

A Heuristic for Hybrid Planning with Preferences. - Pascal Bercher; Susanne Biundo (FLAIRS, 2012)

On Delete Relaxation in Partial-Order Causal-Link Planning. - Pascal Bercher; Thomas Geier; Felix Richter 001; Susanne Biundo (ICTAI, 2013)

Using State-Based Planning Heuristics for Partial-Order Causal-Link Planning. - Pascal Bercher; Thomas Geier; Susanne Biundo (KI, 2013)

Plan, Repair, Execute, Explain - How Planning Helps to Assemble your Home Theater. - Pascal Bercher; Susanne Biundo; Thomas Geier; Thilo Hoernle; Florian Nothdurft; Felix Richter 001; Bernd Schattenberg (ICAPS, 2014)

Language Classification of Hierarchical Planning Problems. - Daniel Höller; Gregor Behnke; Pascal Bercher; Susanne Biundo (ECAI, 2014)

Companion-Technology: Towards User- and Situation-Adaptive Functionality of Technical Systems. - Frank Honold; Pascal Bercher; Felix Richter 001; Florian Nothdurft; Thomas Geier; Roland Barth; Thilo Hoernle; Felix Schüssel; Stephan Reuter; Matthias Rau; Gregor Bertrand; Bastian Seegebarth; et al. (Intelligent Environments, 2014)

Hybrid Planning Heuristics Based on Task Decomposition Graphs. - Pascal Bercher; Shawn Keen; Susanne Biundo (SOCS, 2014)

A Planning-Based Assistance System for Setting Up a Home Theater. - Pascal Bercher; Felix Richter 001; Thilo Hörnle; Thomas Geier; Daniel Höller; Gregor Behnke; Florian Nothdurft; Frank Honold; Wolfgang Minker; Michael Weber 001; Susanne Biundo (AAAI, 2015)

Tight Bounds for HTN Planning. - Ron Alford; Pascal Bercher; David W. Aha (ICAPS, 2015)

A Unified Knowledge Base for Companion-Systems - A Case Study for Mixed-Initiative Planning. - Gregor Behnke; Marvin R. G. Schiller; Denis K. Ponomaryov; Florian Nothdurft; Pascal Bercher; Wolfgang Minker; Birte Glimm; Susanne Biundo (ISCT, 2015)

User-Centered Planning - A Discussion on Planning in the Presence of Human Users. - Pascal Bercher; Daniel Höller; Gregor Behnke; Susanne Biundo (ISCT, 2015)

Integrating Ontologies and Planning for Cognitive Systems. - Gregor Behnke; Pascal Bercher; Susanne Biundo; Birte Glimm; Denis K. Ponomaryov; Marvin R. G. Schiller (Description Logics, 2015)

Tight Bounds for HTN Planning with Task Insertion. - Ron Alford; Pascal Bercher; David W. Aha (IJCAI, 2015)

Coherence Across Components in Cognitive Systems - One Ontology to Rule Them All. - Gregor Behnke; Denis K. Ponomaryov; Marvin R. G. Schiller; Pascal Bercher; Florian Nothdurft; Birte Glimm; Susanne Biundo (IJCAI, 2015)

The Interplay of User-Centered Dialog Systems and AI Planning. - Florian Nothdurft; Gregor Behnke; Pascal Bercher; Susanne Biundo; Wolfgang Minker (SIGDIAL Conference, 2015)

Tight Bounds for HTN Planning with Task Insertion (Extended Abstract). - Ron Alford; Pascal Bercher; David W. Aha (SOCS, 2015)

Bound to Plan: Exploiting Classical Heuristics via Automatic Translations of Tail-Recursive HTN Problems. - Ron Alford; Gregor Behnke; Daniel Höller; Pascal Bercher; Susanne Biundo; David W. Aha (ICAPS, 2016)

Change the Plan - How Hard Can That Be? - Gregor Behnke; Daniel Höller; Pascal Bercher; Susanne Biundo (ICAPS, 2016)

Assessing the Expressivity of Planning Formalisms through the Comparison to Formal Languages. - Daniel Höller; Gregor Behnke; Pascal Bercher; Susanne Biundo (ICAPS, 2016)

More than a Name? On Implications of Preconditions and Effects of Compound HTN Planning Tasks. - Pascal Bercher; Daniel Höller; Gregor Behnke; Susanne Biundo (ECAI, 2016)

User Involvement in Collaborative Decision-Making Dialog Systems. - Florian Nothdurft; Pascal Bercher; Gregor Behnke; Wolfgang Minker (IWSDS, 2016)

Interview with David E. Smith. - Pascal Bercher; Daniel Höller (Künstliche Intell., 2016)

Special Issue on Companion Technologies. - Susanne Biundo; Daniel Höller; Pascal Bercher (Künstliche Intell., 2016)

Companion-Technology: An Overview. - Susanne Biundo; Daniel Höller; Bernd Schattenberg; Pascal Bercher (Künstliche Intell., 2016)

Help me make a dinner! Challenges when assisting humans in action planning. - Gregor Behnke; Benedikt Leichtmann; Pascal Bercher; Daniel Höller; Verena Nitsch; Martin Baumann 001; Susanne Biundo (ICCT, 2017)

Sloth - The interactive workout planner. - Gregor Behnke; Florian Nielsen; Marvin R. G. Schiller; Pascal Bercher; Matthias Kraus 001; Wolfgang Minker; Birte Glimm; Susanne Biundo (ICCT, 2017)

A paradigm for coupling procedural and conceptual knowledge in companion systems. - Marvin R. G. Schiller; Gregor Behnke; Mario Schmautz; Pascal Bercher; Matthias Kraus 001; Michael Dorna; Wolfgang Minker; Birte Glimm; Susanne Biundo (ICCT, 2017)

Hybrides Planen - Von der Theorie zur Praxis. - Pascal Bercher (Ausgezeichnete Informatikdissertationen, 2017)

An Admissible HTN Planning Heuristic. - Pascal Bercher; Gregor Behnke; Daniel Höller; Susanne Biundo (IJCAI, 2017)

To Plan for the User Is to Plan with the User: Integrating User Interaction into the Planning Process. - Gregor Behnke; Florian Nielsen; Marvin R. G. Schiller; Denis K. Ponomaryov; Pascal Bercher; Birte Glimm; Wolfgang Minker; Susanne Biundo (Companion Technology, 2017)

User-Centered Planning. - Pascal Bercher; Daniel Höller; Gregor Behnke; Susanne Biundo (Companion Technology, 2017)

Advanced User Assistance for Setting Up a Home Theater. - Pascal Bercher; Felix Richter 001; Thilo Hörnle; Thomas Geier; Daniel Höller; Gregor Behnke; Florian Nielsen; Frank Honold; Felix Schüssel; Stephan Reuter; Wolfgang Minker; Michael Weber 001; et al. (Companion Technology, 2017)

Plan and Goal Recognition as HTN Planning. - Daniel Höller; Pascal Bercher; Gregor Behnke; Susanne Biundo (AAAI Workshops, 2018)

A Generic Method to Guide HTN Progression Search with Classical Heuristics. - Daniel Höller; Pascal Bercher; Gregor Behnke; Susanne Biundo (ICAPS, 2018)

Instructing Novice Users on How to Use Tools in DIY Projects. - Gregor Behnke; Marvin R. G. Schiller; Matthias Kraus 001; Pascal Bercher; Mario Schmautz; Michael Dorna; Wolfgang Minker; Birte Glimm; Susanne Biundo (IJCAI, 2018)

A Multimodal Dialogue Framework for Cloud-Based Companion Systems. - Matthias Kraus 001; Marvin R. G. Schiller; Gregor Behnke; Pascal Bercher; Susanne Biundo; Birte Glimm; Wolfgang Minker (IWSDS, 2018)

Evaluating Knowledge-Based Assistance for DIY. - Marvin R. G. Schiller; Gregor Behnke; Pascal Bercher; Matthias Kraus 001; Michael Dorna; Felix Richter 001; Susanne Biundo; Birte Glimm; Wolfgang Minker (MuC (Workshopband), 2018)

Hybrid planning - from theory to practice. - Pascal Bercher (2018)

Eliminating Redundant Actions in Partially Ordered Plans - A Complexity Analysis. - Conny Olz; Pascal Bercher (ICAPS, 2019)

A Survey on Hierarchical Planning - One Abstract Idea, Many Concrete Realizations. - Pascal Bercher; Ron Alford; Daniel Höller (IJCAI, 2019)

On Guiding Search in HTN Planning with Classical Planning Heuristics. - Daniel Höller; Pascal Bercher; Gregor Behnke; Susanne Biundo (IJCAI, 2019)

Alice in DIY wonderland or: Instructing novice users on how to use tools in DIY projects. - Gregor Behnke; Marvin R. G. Schiller; Matthias Kraus 001; Pascal Bercher; Mario Schmautz; Michael Dorna; Michael Dambier; Wolfgang Minker; Birte Glimm; Susanne Biundo (AI Commun., 2019)

Hierarchical Planning in the IPC. - Daniel Höller; Gregor Behnke; Pascal Bercher; Susanne Biundo; Humbert Fiorino; Damien Pellier; Ronald Alford (CoRR, 2019)

HDDL - A Language to Describe Hierarchical Planning Problems. - Daniel Höller; Gregor Behnke; Pascal Bercher; Susanne Biundo; Humbert Fiorino; Damien Pellier; Ronald Alford (CoRR, 2019)

On Succinct Groundings of HTN Planning Problems. - Gregor Behnke; Daniel Höller; Alexander Schmid 003; Pascal Bercher; Susanne Biundo (AAAI, 2020)

POP ≡ POCL, Right? Complexity Results for Partial Order (Causal Link) Makespan Minimization. - Pascal Bercher; Conny Olz (AAAI, 2020)

HDDL: An Extension to PDDL for Expressing Hierarchical Planning Problems. - Daniel Höller; Gregor Behnke; Pascal Bercher; Susanne Biundo; Humbert Fiorino; Damien Pellier; Ron Alford (AAAI, 2020)

New Developments for Robert - Assisting Novice Users Even Better in DIY Projects. - Gregor Behnke; Pascal Bercher; Matthias Kraus 001; Marvin R. G. Schiller; Kristof Mickeleit; Timo Häge; Michael Dorna; Michael Dambier; Dietrich Manstetten; Wolfgang Minker; Birte Glimm; Susanne Biundo (ICAPS, 2020)

"Was that successful?" On Integrating Proactive Meta-Dialogue in a DIY-Assistant using Multimodal Cues. - Matthias Kraus 001; Marvin R. G. Schiller; Gregor Behnke; Pascal Bercher; Michael Dorna; Michael Dambier; Birte Glimm; Susanne Biundo; Wolfgang Minker (ICMI, 2020)

A Novel Parsing-based Approach for Verification of Hierarchical Plans. - Roman Barták; Simona Ondrcková; Adrien Maillard; Gregor Behnke; Pascal Bercher (ICTAI, 2020)

Delete- and Ordering-Relaxation Heuristics for HTN Planning. - Daniel Höller; Pascal Bercher; Gregor Behnke (IJCAI, 2020)

HTN Plan Repair via Model Transformation. - Daniel Höller; Pascal Bercher; Gregor Behnke; Susanne Biundo (KI, 2020)

HTN Planning as Heuristic Progression Search. - Daniel Höller; Pascal Bercher; Gregor Behnke; Susanne Biundo (J. Artif. Intell. Res., 2020)

Landmark Generation in HTN Planning. - Daniel Höller; Pascal Bercher (AAAI, 2021)

Revealing Hidden Preconditions and Effects of Compound HTN Planning Tasks - A Complexity Analysis. - Conny Olz; Susanne Biundo; Pascal Bercher (AAAI, 2021)

A Closer Look at Causal Links: Complexity Results for Delete-Relaxation in Partial Order Causal Link (POCL) Planning. - Pascal Bercher (ICAPS, 2021)

Fully Observable Nondeterministic HTN Planning - Formalisation and Complexity Results. - Dillon Ze Chen; Pascal Bercher (ICAPS, 2021)

On the Verification of Totally-Ordered HTN Plans. - Roman Barták; Simona Ondrcková; Gregor Behnke; Pascal Bercher (ICTAI, 2021)

Change the World - How Hard Can that Be? On the Computational Complexity of Fixing Planning Models. - Songtuan Lin; Pascal Bercher (IJCAI, 2021)

Correcting Hierarchical Plans by Action Deletion. - Roman Barták; Simona Ondrcková; Gregor Behnke; Pascal Bercher (KR, 2021)

Report on the First and Second Workshops on Hierarchical Planning Held at the International Conference on Automated Planning and Scheduling. - Pascal Bercher; Daniel Höller; Gregor Behnke; Susanne Biundo; Vikas Shivashankar; Ron Alford (AI Mag., 2021)

Do It Yourself, but Not Alone: Companion-Technology for Home Improvement - Bringing a Planning-Based Interactive DIY Assistant to Life. - Pascal Bercher; Gregor Behnke; Matthias Kraus 001; Marvin R. G. Schiller; Dietrich Manstetten; Michael Dambier; Michael Dorna; Wolfgang Minker; Birte Glimm; Susanne Biundo (Künstliche Intell., 2021)

The PANDA Framework for Hierarchical Planning. - Daniel Höller; Gregor Behnke; Pascal Bercher; Susanne Biundo (Künstliche Intell., 2021)

Making Translations to Classical Planning Competitive with Other HTN Planners. - Gregor Behnke; Florian Pollitt; Daniel Höller; Pascal Bercher; Ron Alford (AAAI, 2022)

Flexible FOND HTN Planning: A Complexity Analysis. - Dillon Ze Chen; Pascal Bercher (ICAPS, 2022)

Compiling HTN Plan Verification Problems into HTN Planning Problems. - Daniel Höller; Julia Wichlacz; Pascal Bercher; Gregor Behnke (ICAPS, 2022)

On the Expressive Power of Planning Formalisms in Conjunction with LTL. - Songtuan Lin; Pascal Bercher (ICAPS, 2022)

On Heuristics for Parsing-based Verification of Hierarchical Plans with a Goal Task. - Simona Ondrcková; Roman Barták; Pascal Bercher; Gregor Behnke (FLAIRS, 2022)

Tight Bounds for Hybrid Planning. - Pascal Bercher; Songtuan Lin; Ron Alford (IJCAI, 2022)

On the Computational Complexity of Model Reconciliations. - Sarath Sreedharan; Pascal Bercher; Subbarao Kambhampati (IJCAI, 2022)

Hierarchical Planning and Reasoning about Partially Ordered Plans - From Theory to Practice. - Pascal Bercher (AI Mag., 2022)

Was Fixing This Really That Hard? On the Complexity of Correcting HTN Domains. - Songtuan Lin; Pascal Bercher (AAAI, 2023)

On Total-Order HTN Plan Verification with Method Preconditions - An Extension of the CYK Parsing Algorithm. - Songtuan Lin; Gregor Behnke; Simona Ondrcková; Roman Barták; Pascal Bercher (AAAI, 2023)

Towards Automated Modeling Assistance: An Efficient Approach for Repairing Flawed Planning Domains. - Songtuan Lin; Alban Grastien; Pascal Bercher (AAAI, 2023)

Can They Come Together? A Computational Complexity Analysis of Conjunctive Possible Effects of Compound HTN Planning Tasks. - Conny Olz; Pascal Bercher (ICAPS, 2023)

Accelerating SAT-Based HTN Plan Verification by Exploiting Data Structures from HTN Planning. - Songtuan Lin; Gregor Behnke; Pascal Bercher (ECAI, 2023)

Intractability of Optimal Multi-Agent Pathfinding on Directed Graphs. - Xing Tan 002; Pascal Bercher (ECAI, 2023)

Lessons Learned from the CYK Algorithm for Parsing-based Verification of Hierarchical Plans. - Simona Ondrcková; Roman Barták; Pascal Bercher; Gregor Behnke (FLAIRS, 2023)

Towards Intelligent Companion Systems in General Aviation using Hierarchical Plan and Goal Recognition. - Prakash Jamakatel; Pascal Bercher; Axel Schulte; Jane Jean Kiam (HAI, 2023)

On the Impact of Grounding on HTN Plan Verification via Parsing. - Simona Ondrcková; Roman Barták; Pascal Bercher; Gregor Behnke (ICAART (3), 2023)

Detecting AI Planning Modelling Mistakes - Potential Errors and Benchmark Domains. - Kayleigh Sleath; Pascal Bercher (PRICAI (2), 2023)

A Look-Ahead Technique for Search-Based HTN Planning: Reducing the Branching Factor by Identifying Inevitable Task Refinements. - Conny Olz; Pascal Bercher (SOCS, 2023)

On the Computational Complexity of Plan Verification, (Bounded) Plan-Optimality Verification, and Bounded Plan Existence. - Songtuan Lin; Conny Olz; Malte Helmert; Pascal Bercher (AAAI, 2024)

A Heuristic for Optimal Total-Order HTN Planning Based on Integer Linear Programming. - Conny Olz; Alexander Lodemann; Pascal Bercher (ECAI, 2024)

A Survey on Plan Optimization. - Pascal Bercher; Patrik Haslum; Christian Muise (IJCAI, 2024)

Laying the Foundations for Solving FOND HTN Problems: Grounding, Search, Heuristics (and Benchmark Problems). - Mohammad Yousefi; Pascal Bercher (IJCAI, 2024)

Modeling Assistance for Hierarchical Planning: An Approach for Correcting Hierarchical Domains with Missing Actions. - Songtuan Lin; Daniel Höller; Pascal Bercher (SOCS, 2024)

Told You That Will Not Work: Optimal Corrections to Planning Domains Using Counter-Example Plans. - Songtuan Lin; Alban Grastien; Rahul Shome; Pascal Bercher (AAAI, 2025)

An Extensive Empirical Evaluation of Inferring Preconditions and Effects of Compound Tasks in Ground HTN Planning Problems. - Conny Olz; Alexander Lodemann; Benedikt Jutz; Mario Schmautz; Maximilian Borowiec; Susanne Biundo; Pascal Bercher (J. Artif. Intell. Res., 2025)