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Past Deadlines

14 September 2017
(Originally 12 September 2017)
Papers: Title, abstract, authors, subcommittee choice, and all other metadata
Updates on PCS problems

19 September 2017
Papers: Submission files

11 October 2017
Doctoral Consortium
Case Studies
Accepted Courses

13 October 2017
Accepted Workshops/Symposia

27 October 2017
Art Exhibition

22 November 2017
Paper rebuttals are due at 20:00 EST (8pm in Montreal)

2 January 2018
Student Design Competition
Student Research Competition

15 January 2018
Early Career Development Symposium
Late-Breaking Work
Panels & Roundtable Discussions
Special Interest Groups (SIGs)
Video Showcase

25 January 2018

8 March 2018
1 March 2018
Early Registration Deadline

Papers Review Process


The aim of this page is to provide authors with an overview the schedule for papers.  In sharing this we have two aims:

  1. to ensure that authors are aware of the review process for their paper.
  2. to provide an insight into how tight the timeframe is for all the required steps and enable an understanding of why shifts in dates are generally impossible.  

Changes for 2018

There are two main differences to the ways that we’ll be handling things this year – paper reviewing and paper length. More details about these changes can be found on the conference blog at:



We expect in the region of 3,000 titles and abstracts to be submitted on the first deadline.  Approximately 2,640 will turn into complete papers.  This will require the production of at least 5,280 high quality external reviews + 2,640 high quality AC reviews + 2,640 high quality meta-reviews – a process that is locked in to be finalised within a very tight 11 week turn-around period if it is to meet the (fixed) publisher deadline.

This takes:

  • 3 papers chairs
  • 35 sub-committee chairs
  • 280 associate chairs who will manage approx 8 papers each with three reviewers
  • ~5,000 reviewers

from the CHI community.



SCs – Subcommittee Chairs
ACs – Associate Chairs
1AC – Primary AC (leading the review process)
2AC – Second AC
3AC – Third AC

Here’s an overview of the schedule:

Note that the timeline only reflects the tasks up until the PC meeting.  There are other tasks that follow (scheduling, production, etc) which have external deadlines.

Thurs, 14 Sep
  • Title and abstract submission deadline.
  • Paper Chairs identify any subcommittees that need to downsize or upsize.
Fri, 15 SepAbstracts become visible to SCs.
before Tue, 19 Sep
  • SCs handle AC rebalancing issues based on feedback from Papers Chairs.
  • SCs identify any papers that should be in a different subcommittee and flag to papers chairs.
  • SCs for the following committees only split papers across their 2 subcommittee splits (Health, Accessibility and Aging / Specific Applications / Interaction Technologies / Design) and email papers chairs about splits’ composition if changed for rebalancing.
  • SCs declare conflicts in PCS and pass responsibility to co-SCs.
  • ACs are given the green light to book flights.
  • Bidding opens for ACs.
  • ACs bid and declare conflicts. ACs select at least 10 papers as “want” and 10 papers as “willing”, for a total of at least 20.
Tue, 19 SepMaterial submission deadline
Wed, 20 Sep – Thu, 21 Sep
  • SCs identify any obvious rejects (not actual papers) and flag to papers chairs.
  • SCs email ACs to list SC conflict papers.
Wed, 20 Sep – Sat, 23 Sep
  • ACs bid on papers assigned to their subcommittee in PCS.
before Sun, 24 Sep
  • SCs identify papers that were initially assigned to their subcommittee that should be transferred to the secondary subcommittee chosen by the authors.
Thu, 21 Sep – Tue, 26 Sep
  • SCs assign ACs (1AC and 2AC) to papers.
  • For the Interaction Beyond the Individual and Understand People subcommmittees only, the SCs will have to first provide the Papers Chairs with the AC composition of their 2 subcommittee splits. We will need to update PCS with this information before papers can be assigned to ACs.
Tue, 26 Sep
  • Deadline for paper assignment to ACs.
  • AC assignments released to ACs.
Tue, 26 Sep – Tue, 3 Oct
  • ACs look for conflicts and other difficulties, optionally swap problem papers, notify SCs.
  • ACs identify papers as desk-reject candidates, notify SCs.
  • SCs track swaps and ensure all papers have a 1AC and 2AC assigned in the end.
  • ACs allocate two high-quality external reviewers to each paper (for batch release later). 1AC selects one reviewer and 2AC selects one reviewer.
Fri, 6 OctBatch release of review requests to reviewers. We will release all of the review requests to reviewers at the same time, to give ACs a fair chance of getting who they want as reviewers.
Fri, Oct 6 – Wed, 1 Nov
  • ACs (and SCs) ensure that each paper gets two external high-quality reviews: track progress and find replacements for reviewers with the shortest delays as possible.
Wed, 1 Nov
  • Reviews due back from reviewers and 2AC.
  • 1ACs (and SCs) track missing reviews & quickly resolve (possibly with replacement reviews).
  • Papers chairs assign preliminary “discuss” status based on scores, indicating which papers need a 3AC assigned.
  • ACs initiate reviewer discussion as needed.
before Tue 14 Nov
  • ACs write 1AC meta-reviews for all of their 1AC papers and check “discuss” box for papers that need it
  • SCs assign 3AC to papers that did not meet 3AC criteria, but where 1AC has indicated the paper needs to be discussed
  • SCs review all meta-reviews for quality
Tue 14 NovDeadline for 1AC meta-reviews and “discuss” checkbox state (to indicate that a 3AC review is needed for a paper that otherwise didn’t meet the criteria).

Deadline for SCs to assign 3AC for all papers marked discuss

Wed, 15 NovHard deadline for all reviews (external, 1AC, 2AC), except 3AC.
Thu, 16 NovReviews released to authors for rebuttal.
Wed 22 NovAuthor rebuttals due.
Thu, 28 NovDeadline for 3AC reviews.

ACs re-engage reviewers, 2AC, 3AC, in discussion of each submission, as needed, and ensure that reviewers update their reviews to acknowledge rebuttals. If rebuttal affects scores, the scores should change during the discussion period, which ends 4 Dec.

before Tue, 5 Dec
  • 1ACs indicate a preliminary accept or reject status for each of their papers (and ideally sooner).
before Thu, 7 Dec
  • ACs update meta-reviews, any changes in review scores, and final “discuss” status due.
  • ACs get ready to justify your choice of reviewers, provide a summary of the paper and reviews, and a recommended decision (accept/reject)
Fri, 8 Dec – Sat, 9 Dec
  • PC meeting in Montreal.

Note that the timeline only reflects the tasks up until the PC meeting. There are other tasks that follow (scheduling, production, etc.) which have external deadlines.

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