activities   -   actors   -   community places   -   events   -   ideas   -   imaginary landscape   -   physical landscape   -   physical processes
http://www.topicmaps.org/xtm/1.0/core.xtm#superclass-subclass
http://www.topicmaps.org/xtm/1.0/core.xtm#superclass-subclass

Associations of type (6)


http://www.topicmaps.org/xtm/1.0/core.xtm#superclass-subclass
http://www.topicmaps.org/xtm/1.0/core.xtm#subclass http://www.topicmaps.org/xtm/1.0/core.xtm#superclass
abandonment  events 
construction  events 
destruction  events 
renovation  events 
transformation  events 
occupation  activities