The motivation for using hierarchical planning formalisms is manifold. It ranges from an explicit and predefined guidance of the plan generation process and the ability to represent complex problem solving and behavior patterns to the option of having different abstraction layers when communicating with a human user or when planning co-operatively. The best-known formalism in the field is Hierarchical Task Network (HTN) planning. In addition, there are several other hierarchical planning formalisms, e.g., hybrid planning (incorporating aspects from POCL planning), Hierarchical Goal Network (HGN) planning (incorporating a hierarchy on goals), or formalisms that combine task hierarchies with timeline planning (e.g. ANML). Hierarchies induce fundamental differences from classical planning, creating distinct computational properties and requiring separate algorithms from non-hierarchical planners. Many of these aspects of hierarchical planning are still unexplored. Thus, we encourage any contribution, independent of the underlying hierarchical planning formalism, and want to provide a forum for researchers to discuss the various aspects of hierarchical planning.
Topics of interests 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
The formatting guidelines (author kit, etc.) are the same as at ICAPS 2019. Authors may submit long papers
(8 pages plus up to one page of references) or short papers
(4 pages plus up to one page of references). In case of acceptance, the full 5, resp. 9, pages can be used for the paper, e.g. to address the reviewers' comments.
Like at the main conference, there will be a high quality double-blind review process against the standard ICAPS criteria of significance, soundness, scholarship, clarity, and reproducibility. However, submissions may be less evolved than at the main conference.
We will provide a link to the submission system prior to the submission deadline.
Submission deadline: March 24, 2019
Notification of acceptance: May 3, 2019
Camera-ready paper: TBA
We encourage the submission of papers that are, at the time of submission, currently under review at the IJCAI conference 2019. In case such a double submission gets both accepted at IJCAI and at the workshop, the camera-ready paper for the workshop might be the same as for IJCAI or a (new) extended abstract of this paper of at most two pages including references (authors' choice).
- Austin Tate
- Damien Pellier
- Dana Nau
- Daniel Höller
- Gregor Behnke
- Humbert Fiorino
- Kutluhan Erol
- Lavindra de Silva
- Pascal Bercher
- Rogelio E. Cardona-Rivera
- Ron Alford
- Susanne Biundo
- Vikas Shivashankar