| Event | When | Where | Deadline | |
SIPSM 2025 |
Suicide Ideation Prediction on Social Media@IEEE BigData 2025 Cup | |
| Jul 15, 2025 - Dec 11, 2025 |
Macau SAR, China |
Sep 30, 2025 (Sep 15, 2025) |
| Expired CFPs |
| KVC 2023 |
Keystroke Verification Challenge @ IEEE BigData 2023 | |
| Dec 15, 2023 - Dec 18, 2023 |
Sorrento (Italy) |
Oct 20, 2023 |
| WACV’23 PAR Challenge 2023 |
WACV’23 Pedestrian Attribute Recognition and Attributed-based Person Retrieval Challenge | |
| Sep 19, 2022 - Oct 31, 2022 |
Virtual |
Oct 31, 2022 |
| ChaLearn 2022 |
ECCV'22 Sign Spotting Challenge | |
| Apr 20, 2022 - Jun 24, 2022 |
online |
Jun 24, 2022 |
| ChaLearn 2022 |
Seasons in Drift Challenge at ECCV | |
| Apr 25, 2022 - Jun 24, 2022 |
online |
Jun 24, 2022 |
| ISWC Punya Challenge 2021 |
ISWC Challenge: Development of Mobile Semantic Apps using Punya | |
| Oct 24, 2021 - Oct 28, 2021 |
N/A |
Jul 15, 2021 (Jun 15, 2021) |
| SPLC 2021 |
25th ACM International Systems and Software Product Line Conference - Call for Papers: Challenge Solutions | |
| Sep 6, 2021 - Sep 11, 2021 |
Virtual / Leicester (UK) |
Jun 11, 2021 |
| FG 2020 |
IEEE FG 2020 Chalearn Looking at People Workshop and Challenge on Identity-preserved Human Detection (IPHD) | |
| Nov 19, 2019 - Apr 2, 2020 |
Buenos Aires, Argentina |
Jan 25, 2020 |
| PHSS 2016 |
PERSPECTIVES IN THE HUMANITIES AND SOCIAL SCIENCES: HINTING AT INTERDISCIPLINARITY | |
| May 19, 2016 - May 20, 2016 |
IASI, ROMANIA |
Apr 18, 2016 (Mar 17, 2016) |
| RMC 2016 |
2nd Intl. Rapid Mashup Challenge | |
| Jun 6, 2016 - Jun 6, 2016 |
Lugano, Switzerland |
Apr 15, 2016 |
| ENSEC 2016 |
The 2016 ENtity Summarization Evaluation Campaign (ENSEC 2016) | |
| May 30, 2016 - May 30, 2016 |
ESWC 2016 - Greece |
Apr 8, 2016 |
| MSR-Mine 2016 |
MSR Mining Challenge Track | |
| May 14, 2016 - May 15, 2016 |
Austin, Texas, USA |
Feb 19, 2016 |
| ESWC 2016 |
3th Extended Semantic Web Conference - Call for Semantic Web Challenges Proposals | |
| May 29, 2016 - Jun 2, 2016 |
Heraklion, Crete, Greece |
Nov 20, 2015 |
| MoReBikeS Challenge 2015 |
MoReBikeS: 2015 ECML-PKDD Challenge on Model Reuse with Bike rental Station data | |
| Mar 31, 2015 - Sep 11, 2015 |
Porto, Portugal |
Jun 8, 2015 |
| ICWERMC 2015 |
ICWE 2015 Rapid Mashup Challenge | |
| Jun 22, 2015 - Jun 22, 2015 |
Rotterdam, NL |
May 1, 2015 |
| CAMDA 2014 |
13th International Conference on the Critical Assessment of Massive Data Analysis | |
| Jul 11, 2014 - Jul 12, 2014 |
Boston |
May 20, 2014 |
| ISEM-LDCUP 2013 |
I-SEMANTICS 2013: 9th International Conference on Semantic Systems (I-Challenge / Linked Data Cup) | |
| Sep 4, 2013 - Sep 6, 2013 |
Graz, Austria |
Jun 10, 2013 |
| I-CHALLENGE 2012 |
Linked Data Cup | |
| Sep 5, 2012 - Sep 7, 2012 |
Graz, Austria |
Apr 2, 2012 |
| SBP Modeling Challenge 2012 |
Social Computing Behavioral-Cultural Modeling and Prediction Challenge | |
| Apr 3, 2012 - Apr 5, 2012 |
College Park, MD |
Jan 16, 2012 |
| RuleML2011@BRF Challenge 2011 |
5th International Rule Challenge | |
| Nov 4, 2011 - Nov 4, 2011 |
Fort Lauderdale, Florida, USA |
Sep 16, 2011 |
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