CCF BDatabases and Data Mining2022: BPublisher: ACM
WSDMACM International Conference on Web Search and Data Mining
WSDM is a rank B conference in Databases, Data Mining and Information Retrieval in the CCF list's 7th edition (2026), as in 2022. The WSDM 2027 paper deadline is Nov 17, 2026, 23:59 UTC-12. It is the Short Paper round, which the CCF list does not count. WSDM 2027 takes place on Feb 15–19, 2027 in Cordis, Hong Kong SAR, China. Acceptance rate 2024: 17.7% (109/615).
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Data updated 8 November 2026 · rank from the CCF list's 7th edition
Current edition
WSDM 2027: call for papers timeline
- Aug 18, 2026, 11:59 UTCAbstractFull PaperChecked on the website
Website: Abstract deadline* Aug 17, 2026
- Aug 25, 2026, 11:59 UTCPaperFull PaperChecked on the website
Website: Paper submission deadline Aug 24, 2026
- Nov 2, 2026As announced by the conferenceNotificationFull PaperCommunity data · unverified
- Nov 18, 2026, 11:59 UTCPaperShort Paper not a full paperCommunity data · unverified
- Dec 18, 2026As announced by the conferenceNotificationShort Paper not a full paperCommunity data · unverified
- Feb 15–19, 2027Local timeConferenceCordis, Hong Kong SAR, China
AoE (Anywhere on Earth) is UTC−12 (time zones explained). Times marked “Checked on the website” match the conference website; the rest come from the ccf-deadlines community project and have not been checked yet. Confirm them on the website before you submit. Conference website ↗
Past editions
Dates, venues, deadlines and acceptance rates
| Year | Paper deadline | Acceptance | Papers (dblp) | Dates | Venue |
|---|---|---|---|---|---|
| 2027 | 2026-08-24UTC-12 | — | — | Feb 15–19, 2027 | Cordis, Hong Kong SAR, China |
| 2026 | 2025-08-14UTC-12 | — | 186 | Feb 23–25, 2026 | Boise, Idaho, USA |
| 2025 | 2024-08-14UTC-12 | — | 150 | Mar 11–13, 2025 | Hannover, Germany |
| 2024 | 2023-08-10UTC-12 | 17.7%109/615 · source | 175 | Mar 5–7, 2024 | Mérida, México / Online |
| 2023 | 2022-08-12UTC-12 | 17.8%123/690 · source | 187 | Feb 28 – Mar 2, 2023 | Singapore / Online |
| 2022 | 2021-08-13UTC-12 | — | 210 | Feb 22–24, 2022 | Online |
| 2021 | 2020-08-16UTC-11 | — | 158 | Mar 8–12, 2021 | Online |
| 2020 | — | — | 130 | — | — |
| 2019 | — | — | 121 | — | — |
| 2018 | — | — | 115 | — | — |
| 2017 | — | — | 104 | — | — |
| 2016 | — | — | 93 | — | — |
Paper counts are dblp's main proceedings only, without workshop volumes; acceptance rates link to the page they come from. dblp ↗
CCF list
WSDM in the CCF list
- 7th edition (2026)
- CCF B Databases, Data Mining and Information Retrieval · no. 2
- 6th edition (2022)
- CCF B Databases, Data Mining and Information Retrieval
- Name in the list
- ACM International Conference on Web Search and Data Mining
- Publisher
- ACM
- dblp
- conf/wsdm ↗
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 WSDM
What CCF rank is WSDM?
WSDM is a rank B conference in Databases, Data Mining and Information Retrieval in the CCF list's 7th edition (2026), as in 2022.
When is the WSDM 2027 deadline?
Paper: Nov 17, 2026, 23:59 UTC-12 (Nov 18, 2026, 11:59 UTC). The dates come from the ccf-deadlines community project; check the conference website before you submit.
Where is WSDM 2027?
WSDM 2027 takes place on Feb 15–19, 2027 in Cordis, Hong Kong SAR, China.
What is the WSDM acceptance rate?
2024: 615 submissions, 109 accepted, 17.7%. 2023: 17.8% (123/690). The history table links each figure to its source.
Do WSDM 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).