Call for Proposals
The deadline to submit a session or town hall proposal is 28 May 2025, 23:59 EDT/03:59 UTC.

Timeline

April

2025

Early

Session and town hall proposals open.

May

2025

28

Wednesday, 28 May 2025 (23:59 EDT/03:59 UTC): Session and town hall proposal deadline.

June

2025

Early to late

OSM26 Program Committee reviews session proposals.

The program committee may:

  • Reject or merge similar proposals.
  • Move sessions to another topic area.
  • Request revisions to session titles/descriptions.

July

2025

Early

Chairs are notified if their session and town hall proposals are accepted. The abstract submission portal opens.

August

2025

20

Wednesday, 20 August (23:59 EDT/03:59 UTC): Deadline for abstract submissions.

Chairs must:

  • Monitor abstract submissions for topical relevance and scientific merit.
  • Contact the program committee to transfer misplaced abstracts by this date.
  • Monitor for session merging opportunities if abstracts are few.

September

2025

8-15

Chairs are notified of their session allocations.
  • Chairs review, rate, and order abstracts and recommend rejections to program committee.
  • Chairs designate at least two session moderators and one Student Presentation Evaluation Program (SPEP) liaison.

16-17

Program committee meets and finalizes program schedule.

Chairs lose access to sessions online as the committee takes over scheduling.

October

2025

Mid

Abstract notifications and official session schedule notifications are sent.

  • Authors must accept or decline presentations.
  • Chairs monitor oral and eLightning sessions for withdrawn abstracts. Chairs may replace withdrawn oral or eLightning presentations with poster presentations (with author consent). No new abstracts can be added to sessions.

February

2026

22-27

OSM26 takes place in Glasgow, Scotland, UK.