Event
This is an abstract concept of event.
Event
This class defines a abstract concept of instant.
[Def] an infinitesimal space of time; especially: a point
in time separating two states, e.g. at the instant of death
The definition can be found at
http://www.isi.edu/~pan/damltime/time.owl#Instant
One Time Event
1
1
1
Place
This class defines a abstract concept of spatial place, which
has an address. This class is borrowed from CoBrA project.
The definition can be found at
http://daml.umbc.edu/ontologies/cobra/0.3/place#Place