Events in multimedia objects represent landmarks of a story encoded in the media. This paper proposes a new specification for representing Events using MOWL (E-MOWL). Using this approach, higher-level complex events are detected based on the hierarchy of events present in the Event Ontology created using MOWL. The MOWL definition of Spatio-Temporal relations is extended to represent the Context of an event. The Context is any kind of information which gets defined with respect to an event instance wherein Context has its own structure and involves parameters like Time, Geographical location, and Actors/Entities involved in the event. Such an extension would enhance event detection and facilitate complete semantics, besides providing scope for personalized multimedia information retrieval. © 2013 IEEE.