has performer A relation between a planned process and a continuant where the continuant can be a person, organization or device (such as a robot controlled by software workflow management system) that performs the planned process. The 'has performer' relation covers the need to report on who performed a planned processed. It has to cover processes done by People or Devices (such as a robot controlled by software WF management system). OBI OBI has performer has participant has role Homo sapiens planned process investigation agent role organization device requires discussion