| 2026 | 15 | Proceedings of the 15th International Conference on Operations Research and Enterprise Systems, ICORES 2026, Marbella, Spain, March 9-11, 2026. | Spain | |
| 2025 | 14 | Proceedings of the 14th International Conference on Operations Research and Enterprise Systems, ICORES 2025, Porto, Portugal, February 23-25, 2025. | Porto | |
| 2024 | 13 | Proceedings of the 13th International Conference on Operations Research and Enterprise Systems, ICORES 2024, Rome, Italy, February 24-26, 2024. | Rome | |
| 2023 | 11 | Operations Research and Enterprise Systems - 11th International Conference, ICORES 2022, Virtual Event, February 3-5, 2022, and 12th International Conference, ICORES 2023, Lisbon, Portugal, February 19-21, 2023, Revised Selected Papers | Lisbon | |
| 2023 | 12 | Proceedings of the 12th International Conference on Operations Research and Enterprise Systems, ICORES 2023, Lisbon, Portugal, February 19-21, 2023. | Lisbon | |
| 2022 | 11 | Proceedings of the 11th International Conference on Operations Research and Enterprise Systems, ICORES 2022, Online Streaming, February 3-5, 2022. | | |
| 2021 | 9 | Operations Research and Enterprise Systems - 9th International Conference, ICORES 2020, Valetta, Malta, February 22-24, 2020, and 10th International Conference, ICORES 2021, Virtual Event, February 4-6, 2021, Revised Selected Papers | Valletta | |
| 2021 | 10 | Proceedings of the 10th International Conference on Operations Research and Enterprise Systems, ICORES 2021, Online Streaming, February 4-6, 2021. | | |
| 2020 | 9 | Proceedings of the 9th International Conference on Operations Research and Enterprise Systems, ICORES 2020, Valletta, Malta, February 22-24, 2020. | Valletta | |
| 2019 | 8 | Proceedings of the 8th International Conference on Operations Research and Enterprise Systems, ICORES 2019, Prague, Czech Republic, February 19-21, 2019. ICORES | Prague | 2019-02-19/21 |
| 2019 | 8 | Operations Research and Enterprise Systems - 8th International Conference, ICORES 2019, Prague, Czech Republic, February 19-21, 2019, Revised Selected Papers | Prague | |
| 2018 | 7 | Proceedings of the 7th International Conference on Operations Research and Enterprise Systems, ICORES 2018, Funchal, Madeira - Portugal, January 24-26, 2018. ICORES | Funchal | 2018-01-24/26 |
| 2018 | 7 | Operations Research and Enterprise Systems - 7th International Conference, ICORES 2018, Funchal, Madeira, Portugal, January 24-26, 2018, Revised Selected Papers | Funchal | |
| 2017 | 6 | Proceedings of the 6th International Conference on Operations Research and Enterprise Systems, ICORES 2017, Porto, Portugal, February 23-25, 2017. ICORES | Porto | 2017-02-23/25 |
| 2016 | 5 | International Conference on Operations Research and Enterprise Systems ICORES | Rome | 2016-02-23/25 |
| 2016 | 5 | Operations Research and Enterprise Systems - 5th International Conference, ICORES 2016, Rome, Italy, February 23-25, 2016, Revised Selected Papers | Rome | |
| 2015 | 4 | International Conference on Operations Research and Enterprise Systems ICORES | Lisbon | 2015-01-10/12 |
| 2014 | 3 | International Conference on Operations Research and Enterprise Systems ICORES | Angers | 2014-03-06/08 |
| 2014 | | Operations Research and Enterprise Systems - Third International Conference, ICORES 2014, Angers, France, March 6-8, 2014, Revised Selected Papers | Angers | |
| 2013 | 2 | ICORES 2013 - Proceedings of the 2nd International Conference on Operations Research and Enterprise Systems, Barcelona, Spain, 16-18 February, 2013 ICORES | Barcelona | 2013-01-01 |
| 2012 | 1 | ICORES 2012 - Proceedings of the 1st International Conference on Operations Research and Enterprise Systems, Vilamoura, Algarve, Portugal, 4-6 February, 2012. ICORES | Quarteira | 2012-01-01 |