| 2025 | | Proceedings of the Nineteenth ACM Conference on Recommender Systems, RecSys 2025, Prague, Czech Republic, September 22-26, 2025 RecSys 2025 | Prague | 2025-09-22/26 |
| 2025 | | Proceedings of the Recommender Systems Challenge 2025, RecSysChallenge 2025, Prague, Czech Republic, 22 September 2025 | Prague | |
| 2024 | 18 | Proceedings of the 18th ACM Conference on Recommender Systems, RecSys 2024, Bari, Italy, October 14-18, 2024 RecSys 2024 | Bari | 2024-10-14/18 |
| 2024 | | Proceedings of the Recommender Systems Challenge 2024, RecSysChallenge 2024, Bari, Italy, October 14-18, 2024 | Bari | |
| 2023 | 17 | Proceedings of the 17th ACM Conference on Recommender Systems, RecSys 2023, Singapore, Singapore, September 18-22, 2023 RecSys 2023 | Singapore | 2023-09-18/22 |
| 2023 | | ACM RecSys Challenge 2023, Singapore, 19 September 2023 | Singapore | |
| 2022 | 16 | 16th ACM Conference on Recommender Systems RecSys 2022 | Seattle | 2022-09-18/23 |
| 2021 | 15 | Fifteenth ACM Conference on Recommender Systems RecSys '21, RecSys 2021 | Amsterdam | 2021-09-27 to 2021-10-01 |
| 2021 | | RecSys Challenge 2021: Proceedings of the Recommender Systems Challenge 2021, Amsterdam, The Netherlands, 1 October 2021 | Kingdom of the Netherlands | |
| 2020 | 14 | 14th ACM Conference on Recommender Systems RecSys 2020 | Brazil | 2020-09-22/26 |
| 2020 | | RecSys Challenge '20: Proceedings of the Recommender Systems Challenge 2020, Virtual Event Brazil, September, 2020 | | |
| 2019 | 13 | 13th ACM Conference on Recommender Systems RECSYS, RecSys 2019 | Copenhagen | 2019-09-16/20 |
| 2019 | 13 | Proceedings of ACM RecSys 2019 Late-Breaking Results co-located with the 13th ACM Conference on Recommender Systems, RecSys 2019 Late-Breaking Results, Copenhagen, Denmark, September 16-20, 2019. | Copenhagen | |
| 2019 | | Proceedings of the Workshop on ACM Recommender Systems Challenge, Copenhagen, Denmark, September 2019. | Copenhagen | |
| 2018 | 12 | 12th ACM Conference on Recommender Systems RECSYS, RecSys 2018 | Vancouver | 2018-10-02/07 |
| 2018 | | Proceedings of the ACM Recommender Systems Challenge, RecSys Challenge 2018, Vancouver, BC, Canada, October 2, 2018 | Vancouver | |
| 2017 | | 11th ACM Conference on Recommender Systems RECSYS, RecSys 2017 | Como | 2017-08-27/31 |
| 2017 | 1 | Proceedings of the 1st Workshop on Intelligent Recommender Systems by Knowledge Transfer & Learning co-located with ACM Conference on Recommender Systems (RecSys 2017), Como, Italy, August 27, 2017. | Como | |
| 2017 | 11 | Proceedings of the Poster Track of the 11th ACM Conference on Recommender Systems (RecSys 2017), Como, Italy, August 28, 2017. | Como | |
| 2016 | 10 | 10th ACM Conference on Recommender Systems RECSYS, RecSys 2016 | Boston | 2016-09-15/19 |
| 2016 | | Proceedings of the 2016 Recommender Systems Challenge, RecSys Challenge 2016, Boston, Massachusetts, USA, September 15, 2016 | Boston | |
| 2016 | 10 | Proceedings of the Poster Track of the 10th ACM Conference on Recommender Systems (RecSys 2016), Boston, USA, September 17, 2016. | Boston | |
| 2015 | 9 | 9th ACM Conference on Recommender Systems RECSYS, RecSys 2015 | Vienna | 2015-09-16/20 |
| 2015 | 9 | Poster Proceedings of the 9th ACM Conference on Recommender Systems, RecSys 2015, Vienna, Austria, September 16, 2015. | Vienna | |
| 2015 | | Proceedings of the 2015 International ACM Recommender Systems Challenge, RecSys Challenge 2015, Vienna, Austria, September 16-20, 2015 | Vienna | |
| 2014 | 8 | 8th ACM Conference on Recommender systems RECSYS, RecSys 2014 | Foster City | 2014-10-06/10 |
| 2014 | 8 | Poster Proceedings of the 8th ACM Conference on Recommender Systems, RecSys 2014, Foster City, Silicon Valley, CA, USA, October 6-10, 2014 | Silicon Valley | |
| 2013 | 7 | 7th ACM conference on Recommender systems RECSYS, RecSys 2013 | Hong Kong | 2013-10-12/16 |
| 2012 | 6 | sixth ACM conference on Recommender systems RECSYS, RecSys 2012 | Dublin | 2012-09-09/13 |
| 2011 | 5 | fifth ACM conference on Recommender systems RECSYS, RecSys 2011 | Chicago | 2011-10-23/27 |
| 2010 | 4 | fourth ACM conference on Recommender systems RECSYS, RecSys 2010 | Barcelona | 2010-09-26/30 |
| 2009 | | Conference on Recommender systems RECSYS, RecSys 2009 | New York City | 2009-10-23/25 |
| 2008 | | Conference on Recommender systems RECSYS, RecSys 2008 | Lausanne | 2008-10-23/25 |
| 2007 | 1 | ACM Conference on Recommender Systems RECSYS, RecSys 2007 | Minneapolis | 2007-10-19/20 |
