| ISS 2020 | ACM International Conference on Interactive Surfaces and Spaces | Lisbon | Portugal | | Nov 8 | Nov 11 |
| ISSRE 2020 | 31st International Symposium on Software Reliability Engineering | Coimbra | Portugal | May 25 | Oct 12 | Oct 15 |
| ITS Europe 2023 | 13th ITS European Congress | Lisbon | Portugal | | May 22 | May 24 |
| MAES 2024 | 2nd International Conference on Mechanical, Aerospace and Electronic Systems | Barcelona | Spain | Jun 25 | Nov 24 | Nov 26 |
| MDAI 2020 | 17th International Conference on Modeling Decisions for Artificial Intelligence | Sant Cugat | Spain | Mar 31 | Sep 2 | Sep 4 |
| MMEDIA 2021 | Thirteenth International Conference on Advances in Multimedia | Porto | Portugal | Jan 19 | Apr 18 | Apr 22 |
| MOBILITY 2020 | The Tenth International Conference on Mobile Services, Resources, and Users | Lisbon | Portugal | Jun 18 | Sep 27 | Oct 1 |
| MOBILITY 2021 | The Eleventh International Conference on Mobile Services, Resources, and Users | València | Spain | May 20 | May 30 | Jun 3 |
| MSWIM 2020 | ACM/IEEE International Conference on Modelling, Analysis and Simulation of Wireless and Mobile Systems | Alicante | Spain | | Nov 16 | Nov 20 |
| MSWiM 2020 | ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems | Alicante | Spain | | Nov 16 | Nov 20 |
| MTSR 2020 | Metadata and Semantics Research Conference | Madrid | Spain | | Oct 26 | Oct 30 |
| MWE-LEX-2020 | MWE-LEX 2020 First CfP: Joint Workshop on Multiword Expressions and Electronic Lexicons | Barcelona | Spain | Sep 9 | Dec 13 | Dec 13 |
| MatDes 2022 | 4th International Workshop on Materials and Design | Barcelona | Spain | Feb 14 | Mar 18 | Mar 20 |
| MobiCom 2023 | MobiCom '23: Proceedings of the 29th Annual International Conference on Mobile Computing And Networking | Madrid | Spain | | Oct 2 | Oct 6 |
| OPENSYM 2020 | 16th International Symposium on Open Collaboration | Madrid | Spain | Jun 15 | Aug 25 | Aug 27 |
| PATTERNS 2021 | PATTERNS 2021, The Thirteenth International Conference on Pervasive Patterns and Applications | Porto | Portugal | Jan 19 | Apr 18 | Apr 22 |
| PECE 2025 | 4th International Conference on Power Electronics and Control Engineering | Barcelona | Spain | Aug 10 | Jan 15 | Jan 17 |
| PEEE 2022 | 3rd International Conference on Power, Energy and Electrical Engineering | Barcelona | Spain | Oct 5 | Nov 18 | Nov 20 |
| PESARO 2021 | The Eleventh International Conference on Performance, Safety and Robustness in Complex Systems and Applications | Porto | Portugal | Jan 19 | Apr 18 | Apr 22 |
| PESARO 2022 | The Twelfth International Conference on Performance, Safety and Robustness in Complex Systems and Applications | Barcelona | Spain | Jan 10 | Apr 24 | Apr 28 |
| SBAC-PAD 2020 | IEEE 32nd International Symposium on Computer Architecture and High Performance Computing | Porto | Portugal | May 22 | Sep 8 | Sep 11 |
| SECURWARE 2020 | The Fourteenth International Conference on Emerging Security Information, Systems and Technologies | València | Spain | Sep 3 | Nov 15 | Nov 19 |
| SENSORCOMM 2020 | The Fourteenth International Conference on Sensor Technologies and Applications | Valencia | Spain | Sep 3 | Nov 15 | Nov 19 |
| SENSORDEVICES 2020 | The Eleventh International Conference on Sensor Device Technologies and Applications | València | Spain | Sep 3 | Nov 15 | Nov 19 |
| SERVICE COMPUTATION 2021 | SERVICE COMPUTATION 2021, The Thirteenth International Conference on Advanced Service Computing | Porto | Portugal | Jan 19 | Apr 18 | Apr 22 |
| SIGNAL 2020 | SIGNAL 2020, The Fifth International Conference on Advances in Signal, Image and Video Processing | Lisbon | Portugal | May 18 | Sep 27 | Oct 1 |
| SIGNAL 2021 | SIGNAL 2021, The Sixth International Conference on Advances in Signal, Image and Video Processing | Valencia | Spain | Mar 2 | May 30 | Jun 3 |
| SIMUL 2020 | The Twelfth International Conference on Advances in System Simulation | Porto | Portugal | Jul 15 | Oct 18 | Oct 22 |
| SMART 2020 | The Ninth International Conference on Smart Cities, Systems, Devices and Technologies | Lisbon | Portugal | Jun 18 | Sep 27 | Oct 1 |
| SMART 2021 | The Tenth International Conference on Smart Cities, Systems, Devices and Technologies | València | Spain | Mar 20 | May 30 | Jun 3 |
| SMART ACCESSIBILITY 2020 | The Fifth International Conference on Universal Accessibility in the Internet of Things and Smart Environments | Valencia | Spain | Sep 3 | Nov 21 | Nov 25 |
| SOFTENG | SOFTENG 2022, The Eighth International Conference on Advances and Trends in Software Engineering | Barcelona | Spain | Jan 10 | Apr 24 | Apr 28 |
| SOFTENG 2021 | The Seventh International Conference on Advances and Trends in Software Engineering | Porto | Portugal | Jan 19 | Apr 18 | Apr 22 |
| SPACOMM 2021 | The Thirteenth International Conference on Advances in Satellite and Space Communications | Porto | Portugal | Jan 19 | Apr 18 | Apr 22 |
| SPACOMM 2022 | The Fourteenth International Conference on Advances in Satellite and Space Communications | Barcelona | Spain | Jan 10 | Apr 24 | Apr 28 |
| SPWID 2020 | The Sixth International Conference on Smart Portable, Wearable, Implantable and Disability-oriented Devices and Systems | Lisbon | Portugal | Jun 18 | Sep 27 | Oct 1 |
| SPWID 2021 | The Seventh International Conference on Smart Portable, Wearable, Implantable and Disability-oriented Devices and Systems | Valencia | Spain | Mar 2 | May 30 | Jun 3 |
| SafeComp 2020 | 39th International Conference on Computer Safety, Reliability and Security | Lisbon | Portugal | Feb 24 | Sep 15 | Sep 18 |
| SemEval 2020 | International Workshop on Semantic Evaluation 2020 | Barcelona | Spain | | Dec 12 | Dec 13 |
| VEHICULAR 2020 | The Ninth International Conference on Advances in Vehicular Systems, Technologies and Applications | Porto | Portugal | Jul 12 | Oct 18 | Oct 22 |
| VISUAL 2020 | The Fifth International Conference on Applications and Systems of Visual Paradigms | Porto | Portugal | Jul 12 | Oct 18 | Oct 22 |
| WEB 2020 | The Eighth International Conference on Building and Exploring Web Based Environments | Lisbon | Portugal | May 21 | Sep 27 | Oct 1 |
