activities   -   actors   -   community places   -   events   -   ideas   -   imaginary landscape   -   physical landscape   -   physical processes
http://www.ics.forth.gr/isl/CRMsci/O3_sampled_from
http://www.ics.forth.gr/isl/CRMsci/O3_sampled_from

Associations of type (1)


http://www.ics.forth.gr/isl/CRMsci/O3_sampled_from
http://www.ics.forth.gr/isl/CRMsci/S10_Material_Substantial http://www.ics.forth.gr/isl/CRMsci/S13_Sample
things  sample