    # KEHOME/knowledge/theory/Sowa/Sowa2McCullough.html
    # Jan/28/2003

    # integration of Sowa and McCullough high-level ontologies

    # Notes
    # Except in cases concerning "intention", "action" and "interaction",
    # the "entity" in MKR proposition can be generalized to "existent".

    #==============#
    # without time #
    #==============#

    #======#	#============#		#=================#
    # Sowa #	# McCullough #		# MKR proposition #
    #======#	#============#		#=================#

    Entity		existent		existent is existent

    Actuality	entity			entity isa existent
    Form		characteristic		characteristic isa existent

    Prehension	relation statement	entity:1 rel entity:2
    Proposition	char. statement		entity has characteristic

    Nexus		view			at view { proposition list }
    Intention	intention		entity has intention

    #===========#
    # with time #
    #===========#

    #======#	#============#		#=================#
    # Sowa #	# McCullough #		# MKR proposition #
    #======#	#============#		#=================#

    Entity		existent		existent is existent

    Actuality	entity			entity isa existent
      Object	  entity		  entity isa existent
      Process	  action		  action isa characteristic
    Form		characteristic		characteristic isa existent
      Schema	  attribute		  attribute isa characteristic
    		  part			  part isa characteristic
      Script	  action		  action isa characteristic
    		  interaction		  interaction isa characteristic

    Prehension	relation statement	entity:1 rel entity:2
      Juncture	  ???
      Participation	  ???
    Proposition	char. statement		entity has characteristic
      Description	  attribute statement	  entity has attribute
    		  part statement	  entity haspart part
      History	  action statement	  entity do action done
    		  interaction statement	  action:1 causes action:2

    Nexus		view			at view { proposition list }
      Situation	  space,view		  at space,view {proposition list}
      Execution	  space,time,view	  at space,time,view {proposition list}
    Intention	intention		entity has intention
      Reason	  reason		  entity has reason
      Purpose	  purpose		  entity do action with purpose done