[ACP members] CP2022: Deadline extended




ACP members






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Deadlines for submitting abstracts and papers are extended!


Twenty-Eighth Conference on Principles and Practice of Constraint Programming CP 2022 (https://cp2022.a4cp.org/)

July 31--August 8, 2022, Haifa, Israel

Part of the Federated Logic Conference FLoC 2022 (https://floc2022.org/)

Important dates (extended)

  • Abstract registration: February 18, 2022
  • Paper submission: February 25, 2022
  • Start of the rebuttal phase: April 4, 2022
  • Author response due: April 11, 2022
  • Final notification: April 29, 2022
  • Camera-ready copy due: May 9, 2022
  • Conference: July 31--August 8, 2022

Dates are intended as anywhere on Earth


CP is the premier international event for presenting research in all aspects of computing with constraints, including but not restricted to: theory, algorithms, environments, languages, models, systems, and applications. It welcomes submissions that advance the state of the art for the underlying technologies as well as papers that explore the role of constraint programming within other disciplines such as, for instance: operations research, machine learning, computational sustainability, and (cyber)security. Alongside submissions on constraint solving, NP-hard problem solving and constrained optimization in general, we also encourage and welcome submissions that reach beyond classic constraint programming concepts such as, for example, any underlying computational technique operating on a declarative constraint model.


Besides the main technical track, CP 2022 hosts 4 specialized tracks:

  • Applications (Chair: Helmut Simonis)
  • CP and Machine Learning (Chair: Andrea Lodi)
  • CP and Operations Research (Chair: Sophie Demassey)
  • Trustworthy Decision Making (Co-chairs: Nadjib Lazaar, Pierre Marquis, Barry O'Sullivan)

Papers in specialized tracks will be reviewed by experts in that area.

Submission Instructions

The submission Web page for CP2022 is https://easychair.org/conferences/?conf=cp2022

Papers should be submitted in the form of a PDF file following LIPIcs guidelines (https://submission.dagstuhl.de/series/details/5#author).

To open the conference more widely (e.g., for OR persons), two types of submissions are expected:

  • full papers, that can use up to 15 pages (references excluded);
  • short papers, that can use a maximum of 8 pages (references excluded).

Short papers cover early results or results that can be adequately reported in just 8 pages. They must nonetheless meet all the expected quality criteria of a full paper. Both full and short papers should attract a wide audience and will be allocated time for presentation during the conference.

Submissions exceeding the page limits or improperly formatted will be rejected without review.

To facilitate reviewing management, authors who intend to submit a paper to CP should submit a very short description of the contents and contribution of the final submission, with a maximum of 150 words, by February 18th, 2022. The paper submission must be done before February 25th, 2022.

All papers will go through a double blind reviewing process, meaning that authors and reviewers are anonymous to each other. For this reason, submitted papers should not contain author names, affiliations, or links to identifying web sites. References to own papers should be cited in such a way as not to reveal the authorship of the paper.

A given paper must be submitted to exactly one track. When it looks necessary, the Program Chair may move a submission to another, more suitable track.

Submitted papers must not appear in, be accepted for, or be under review for another peer-reviewed conference (with archived conference proceedings) or journal. Submissions that have appeared at workshops or other meetings of lower status than a conference or only in highly shortened form (e.g., abstracts) can be submitted as papers.


Accepted papers (in all tracks) will appear in conference proceedings published by LIPIcs. The proceedings will be available at the time of the conference.

Pandemic considerations

We do hope that the conference will be held in person, but this remains difficult to predict at this stage. The decision for having a physical or a virtual meeting will be communicated by FLoC organizers on May 1st, 2022. In case of a physical meeting, authors of accepted papers are expected to present in person. In case of a virtual meeting, authors are expected to produce a recording of their talk ahead of time which will be shared via the ACP YouTube channel. Precise directions will be shared with authors after acceptance notifications.

Other Information

Questions about the paper submission process may be addressed to the Program Chair Christine Solnon (cp2022@easychair.org).

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