CCF BDatabases and Data Mining2022: BPublisher: ACM
RecSysACM Conference on Recommender Systems
RecSys is a rank B conference in Databases, Data Mining and Information Retrieval in the CCF list's 7th edition (2026), as in 2022. RecSys 2027 takes place on Aug 23–27, 2027 in Honolulu, O‘ahu, Hawaii, USA. Acceptance rate 2025: 18.8% (49/261).
FollowGet an email a week and a day before each deadline
Data updated 8 November 2026 · rank from the CCF list's 7th edition
Latest edition
RecSys 2027: call for papers timeline
- Aug 23–27, 2027Local timeConferenceHonolulu, O‘ahu, Hawaii, USA
AoE (Anywhere on Earth) is UTC−12 (time zones explained). These dates come from the ccf-deadlines community project and have not yet been checked against the conference website; confirm them there before you submit. Conference website ↗
Past editions
Dates, venues, deadlines and acceptance rates
| Year | Paper deadline | Acceptance | Papers (dblp) | Dates | Venue |
|---|---|---|---|---|---|
| 2027 | — | — | — | Aug 23–27, 2027 | Honolulu, O‘ahu, Hawaii, USA |
| 2026 | 2026-04-21AoE | — | — | Sep 29 – Oct 1, 2026 | Minneapolis, Minnesota, USA |
| 2025 | 2025-04-08AoE | 18.8%49/261 · source | 239 | Sep 23–25, 2025 | Prague, Czech Republic |
| 2024 | 2024-04-29AoE | 21.8%58/266 · source | 217 | Oct 15–17, 2024 | Bari, Italy |
| 2023 | 2023-04-21AoE | 17.5%47/269 · source | 197 | Sep 20–22, 2023 | Singapore / Online |
| 2022 | 2022-05-03AoE | 16.9%39/231 · source | 125 | Sep 19–21, 2022 | Seattle, WA, USA (with remote attendance) |
| 2021 | 2021-05-04AoE | 18.4%49/267 · source | 141 | Sep 27–30, 2021 | Amsterdam, Netherlands / Online |
| 2020 | — | 17.9%39/218 · source | 132 | — | — |
| 2019 | — | — | 122 | — | — |
| 2018 | — | — | 117 | — | — |
| 2017 | — | — | 96 | — | — |
| 2016 | — | — | 105 | — | — |
Paper counts are dblp's main proceedings only, without workshop volumes; acceptance rates link to the page they come from. dblp ↗
CCF list
RecSys in the CCF list
- 7th edition (2026)
- CCF B Databases, Data Mining and Information Retrieval · no. 12
- 6th edition (2022)
- CCF B Databases, Data Mining and Information Retrieval
- Name in the list
- ACM Conference on Recommender Systems
- Publisher
- ACM
- dblp
- conf/recsys ↗
CCF counts the full (regular) papers of a listed conference: short papers, demos, technical briefs, summaries, Findings and the workshops held with a conference are outside the list. CCF also says the list is a recommendation and should not be used on its own to evaluate research; your institution's rules decide. What counts, case by case →
FAQ
About RecSys
What CCF rank is RecSys?
RecSys is a rank B conference in Databases, Data Mining and Information Retrieval in the CCF list's 7th edition (2026), as in 2022.
Where is RecSys 2027?
RecSys 2027 takes place on Aug 23–27, 2027 in Honolulu, O‘ahu, Hawaii, USA.
What is the RecSys acceptance rate?
2025: 261 submissions, 49 accepted, 18.8%. 2024: 21.8% (58/266). The history table links each figure to its source.
Do RecSys workshop and short papers count as CCF B?
CCF counts the full (regular) papers of a listed conference: short papers, demos, technical briefs, summaries, Findings and the workshops held with a conference are outside the list. CCF also says the list is a recommendation and should not be used on its own to evaluate research; your institution's rules decide.
In more detail: Which CCF conference papers count · How to read conference deadlines
Sources: the CCF list of recommended international conferences and journals, 7th edition (published 31 March 2026, corrected 9 April 2026) and 6th edition (2022); editions, deadlines and acceptance rates from the ccf-deadlines community project (MIT licence), marked as community data until checked against each conference's website, then marked as checked with the website's own words; proceedings and paper counts from dblp (CC0).