Association This DM snipet shows an assocation bewteen M passenger with one flight 1.0 2016-01-12T10:55:49 ivoa http://volute.g-vo.org/svn/trunk/projects/dm/vo-dml/models/ivoa/IVOA.vo-dml.xml http://volute.g-vo.org/svn/trunk/projects/dm/vo-dml/models/ivoa/IVOA.html base base base.Passenger Passenger base.Passenger.FlightNumber SerialNumber ivoa:integer 1 1 base.Passenger.FullName FullName ivoa:string 1 1 base.Flight Flight base.Flight.Number Number ivoa:string 1 1 base.Flight.Destination Destination ivoa:string 1 1 base.Flight.Passengers Wings Association:base.Passenger 0 -1