Call for Papers: 9th ICAPS Workshop on Hierarchical Planning (HPlan 2026)

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Pascal Bercher

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Mar 15, 2026, 1:46:43 AM (3 days ago) Mar 15
to icaps-co...@googlegroups.com, planni...@googlegroups.com
-- Apologies for cross-posting --

# Ninth ICAPS Workshop on Hierarchical Planning (HPlan 2026)

Subtopics of interests for hierarchical planning include but are not limited to:

- theoretical foundations, e.g., complexity results
- heuristics, search, and other solving techniques for plan generation
- techniques and foundations for providing modeling support
- challenges and lessons learned from modeling systems (using hierarchical models)
- applications of hierarchical planning
- plan explanation for hierarchical models
- hierarchical plan repair techniques
- techniques for verifying solutions of hierarchical planning problems
- techniques for automated learning and synthesis of hierarchical models
- using Generative AI (like, e.g., LLMs) for hierarchical planning or modeling


## Important Dates

- Abstract Submission: tba
- Paper Submission: tba (but approx. mid to late April)
- Author Notification: tba
- Workshop: 27 or 28 June (Saturday/Sunday), 2026

Should you require a specific notification date to support your travel plans, please reach out.


## Submission Details

The formatting guidelines (author kit, etc.) are the same as for ICAPS 2026. There will be a high-quality double-blind review process against the standard criteria of significance, soundness, scholarship, clarity, and reproducibility. However, submissions may be less evolved than at the main conference. We have two categories:

1. Technical research papers (short or long) and
2. Challenge papers (short).

Technical research papers are like standard conference papers but may be less evolved. The purpose of challenge papers is to report on or to make aware of interesting/important problems in Hierarchical Planning and to encourage discussion at the workshop -- not to present some significant contribution.

Authors may submit *long papers* (up to 8 pages plus up to one page of references) or *short papers* (up to 4 pages plus up to one page of references). The purpose of short papers is to encourage publication of more preliminary results; challenge papers need to be short papers. In case of acceptance, the full 9, resp. 5, pages can be used for the paper.

Submissions are done via easychair (will be published on our webpage).


## Double Submissions

We encourage the submission of papers that, at the time of submission, are under review at another conference such as SoCS and NeurIPS, for example. However, if the paper is also accepted at the respective conference, it will *not* be included in our proceedings. The paper will be included into the program, but the proceedings will only contain a link to the respective conference's version.


## Organizing Committee



## Further Info

- Are you interested in presenting your already published work? (From *any* venue.) Reach out to us!
- Do you want to join our team of reviewers? Please reach out to us!
- We have a mailing list (via google groups) for hierarchical planning. The list is almost zero traffic, moderated, and only allows mails related to hierarchical planning! Interested? Drop Pascal an email.


-- 
Dr. Pascal Bercher 
Associate Professor
School of Computing 
College of Systems & Society 
The Australian National University (ANU) 
Canberra, Australia 
Hanna Neumann Building, Level 3, Office 3.36 
 
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