CIDOC-CRM Model
Actors (i.e. people, either individually or in groups)
participate in Temporal Entities (e.g. events), which are
affected by Physical Entities (i.e. material things) and
Conceptual Objects (i.e. ideas and concepts), and occur at
Places within certain Time - Spans. Appellations (names) can be
used to identify any of these entities, and Types can be used
to classify them to the appropriate level of detail.