Anything an Agent does.
This records any research-related activity of an Agent (i.e., Person, Organization or a Group). Activities represent Contributions to different things (to Projects, Events, Documents, ...) or Involvements in Groups or Organisation Units.
date range : Date Range
has-actor / is-actor-in : An Activity typically has the actor: an instance of Agent. For some subclasses of Activity, the Agent may not be known or disclosed (e.g. for blind reviews). Also if the actor uses a pseudonym, their identity (and sometimes event the type) are unknown, in which case just a display name is available.
has-affiliation-statement / is-used-in : An Activity can have any number of Affiliation Statements.
is-evidenced-by / proves : An Activity can be evidenced by any number of Documents.
is-covered-by / covers : An Activity can be covered by any number of Fundings.
