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Conceptual Modeling: 40th International Conference, Er 2021, Virtual Event, October 18-21, 2021, Proceedings/en-ca/conceptual-modeling-40th-international-conference-er-2021-virtual-event-october-18-21-2021-proceedings/B4F5E46F-BCEE-428F-86B8-6D894B82D113.htmlB4F5E46F-BCEE-428F-86B8-6D894B82D113
Conceptual Modeling: 40th International Conference, Er 2021, Virtual Event, October 18-21, 2021, Proceedings