A*
SOSP
ACM SIGOPS Symposium on Operating Systems PrinciplesQuick take: Flagship international venue (top 7.5% tier). Highly competitive with premier global impact.Recent acceptance rate: 17.93% (2025).
17.93%
acceptance (2025)
66
papers accepted (2025)
368
submissions (2025)
⏰
2026 Submission Deadline
AoE timezone
Deadline Passed
Paper SubmissionApr 2, 2026, 11:59 AM2026-04-01 23:59 (AOE)
Abstract RegistrationMar 27, 2026, 11:59 AMMandatory prior to paper submission
Conference Dates & LocationSeptember 30 - October 2, 2026Clarion Congress Hotel Prague, Prague, Czechia
Acceptance-rate trend
Data: lixin4ever/Conference-Acceptance-RatePapers per year
Rank history (CORE → ICORE)
A* Flagship · A Premier · B Established · C RecognizedYear-by-year detail
| Year | Submitted | Accepted | Rate | Tiers | Location |
|---|---|---|---|---|---|
| 2025 | 368 | 66 | 17.93% | 66 accepted per official list; submitted 368 unverified | — |
| 2024 | 245 | 43 | 17.55% | — | |
| 2023 | 232 | 43 | 18.53% | — | |
| 2021 | 348 | 54 | 15.52% | — | |
| 2019 | 276 | 38 | 13.77% | — | |
| 2017 | 241 | 39 | 16.18% | — | |
| 2015 | 188 | 30 | 15.96% | — | |
| 2013 | 157 | 30 | 19.11% | — | |
| 2011 | 157 | 28 | 17.83% | — | |
| 2009 | 139 | 23 | 16.55% | — | |
| 2007 | 131 | 25 | 19.08% | — | |
| 2005 | 155 | 20 | 12.9% | — | |
| 2003 | 128 | 22 | 17.19% | — | |
| 2001 | 85 | 17 | 20% | — |