]> 0.4 COBRA-ONT Action Ontology This ontology defines concepts for describing actions. Action A set of all actions that an agent performs. Each action can have associated actor, an agent who performs the action, object, an receiver of the action, and effect, an effect that results from the acting of the action. actor object effect Actor The actor of an agent Object The receiver of an action Effect An effect that results from the acting of an action. ActionEvent An ActionEvent a temporal event that describes the performance of an action. 1 performedAction An action that is performed during some time interval or at some time instant. IntentionalAction An IntentionalAction is a special type of Action. The actor of this action has explicit intention to perform the action before, after, or during some referenced time. For example, Joe intends to turns on the room lights after 6:00pm, or Joe intends to set up his PowerPoint presentation during 2:12-30PM. intendsToPerformBefore intendsToPerformAfter intendsToPerformDuring