[Opt-Net] CPAIOR 2026 – Call for Papers | Rabat, Morocco | May 26–29, 2026

[Diego Delle Donne]

Dear colleagues,

We are delighted to announce that the *23rd International Conference on the
Integration of Constraint Programming, Artificial Intelligence, and
Operations Research (CPAIOR 2026)* will be held for the first time on the
African continent, in *Rabat, Morocco, from May 26 to 29, 2026*.

CPAIOR brings together the CP, AI, and OR communities to exchange
innovative ideas, techniques, and applications at the crossroads of these
fields. We particularly encourage contributions that combine concepts and
methods from different areas, as well as high-quality single-discipline
papers relevant to the broader community.

*Conference website:* https://sites.google.com/view/cpaior2026/
*Submission portal:* https://openreview.net/group?id=cpaior.org/CPAIOR
/2026/Conference

*Deadlines for regular papers (published in Springer LNCS):*
   - Abstracts due: December 1, 2025 (AoE)
   - Full papers due: December 7, 2025 (AoE)
   - Rebuttal phase: January 20–23, 2026
   - Notification: February 9, 2026

*Regular submissions may be:*
   - Long papers (≤ 15 pages + refs)
   - Short papers (≤ 8 pages + refs)


*Extended abstracts (presentation-only):*   - Submission:  March 6, 2026
(AoE)
   - Notification:  March 23, 2026

Proceedings will appear in the Springer Lecture Notes in Computer Science
(LNCS) series. The review process is single-blind, and papers are handled
through OpenReview.net.

*Topics of Interest (non-exhaustive list)*
   - Integration of machine learning and optimisation, including
neurally-guided solving, prediction + optimisation, and
large-language-model-based approaches.
   - Novel relaxation and inference methods, constraint propagation,
cutting planes, convex/second-order conic, graph-based,
dynamic-programming, and decision-diagram methods.
   - New search strategies, decomposition, column generation, Benders,
intelligent backtracking, and learning-based heuristics.
   - Hybrid and distributed approaches combining CP/MIP/PB/SAT solvers.
   - Innovative applications and implementations of CP/AI/OR techniques.
   - Awards will be given for the Best Paper and Best Student Paper.

We warmly invite you to submit your work and join us for this edition of
CPAIOR 2026 in Rabat!

Please share this announcement within your networks!

With best regards,


*Diego Delle Donne(for the CPAIOR 2026 Organizing Committee)*
https://sites.google.com/view/cpaior2026/

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