CCF BArtificial Intelligence2022: BPublisher: Morgan Kaufmann
KRInternational Conference on Principles of Knowledge Representation and Reasoning
KR is a rank B conference in Artificial Intelligence in the CCF list's 7th edition (2026), as in 2022. The KR 2027 abstract deadline is Apr 23, 2027, 23:59 AoE. KR 2027 takes place on Sep 21–24, 2027 in Buenos Aires, Argentina. Acceptance rate 2026: 24.4% (112/459).
FollowGet an email a week and a day before each deadline
Data updated 8 November 2026 · rank from the CCF list's 7th edition
Current edition
KR 2027: call for papers timeline
- Apr 24, 2027, 11:59 UTCAbstractMain track; author response period: June 15-18, 2027Community data · unverified
- Apr 29, 2027, 11:59 UTCPaperMain track; author response period: June 15-18, 2027Community data · unverified
- Jun 19, 2027, 11:59 UTCRebuttalMain track; author response period: June 15-18, 2027Community data · unverified
- Jun 30, 2027As announced by the conferenceNotificationMain track; author response period: June 15-18, 2027Community data · unverified
- Sep 21–24, 2027Local timeConferenceBuenos Aires, Argentina
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 | 2027-04-28AoE | — | — | Sep 21–24, 2027 | Buenos Aires, Argentina |
| 2026 | 2026-02-13UTC-12 | 24.4%112/459 · source | 111 | Jul 20–23, 2026 | Lisbon, Portugal |
| 2025 | 2025-05-12UTC-12 | 34.7%85/245 · source | 85 | Nov 14–17, 2025 | Melbourne, Australia |
| 2024 | 2024-05-01UTC-12 | 24.5%91/372 · source | 91 | Nov 5–8, 2024 | Hanoi, Vietnam |
| 2023 | 2023-03-14UTC-12 | 23.6%80/339 · source | 80 | Sep 5–8, 2023 | Rhodes, Greece |
| 2022 | 2022-02-11UTC-12 | 26.6%58/218 · source | 58 | Aug 2–5, 2022 | Haifa, Israel |
| 2021 | 2021-03-31UTC-12 | 26.1%75/287 · source | 75 | Nov 8–12, 2021 | Virtual |
| 2020 | — | — | 94 | — | — |
| 2018 | — | — | 93 | — | — |
| 2016 | — | — | 75 | — | — |
Paper counts are dblp's main proceedings only, without workshop volumes; acceptance rates link to the page they come from. dblp ↗
CCF list
KR in the CCF list
- 7th edition (2026)
- CCF B Artificial Intelligence · no. 9
- 6th edition (2022)
- CCF B Artificial Intelligence
- Name in the list
- International Conference on Principles of Knowledge Representation and Reasoning
- Publisher
- Morgan Kaufmann
- dblp
- conf/kr ↗
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 KR
What CCF rank is KR?
KR is a rank B conference in Artificial Intelligence in the CCF list's 7th edition (2026), as in 2022.
When is the KR 2027 deadline?
Abstract: Apr 23, 2027, 23:59 AoE (Apr 24, 2027, 11:59 UTC). Paper: Apr 28, 2027, 23:59 AoE. The dates come from the ccf-deadlines community project; check the conference website before you submit.
Where is KR 2027?
KR 2027 takes place on Sep 21–24, 2027 in Buenos Aires, Argentina.
What is the KR acceptance rate?
2026: 459 submissions, 112 accepted, 24.4%. 2025: 34.7% (85/245). The history table links each figure to its source.
Do KR 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).