Hello World activity flow

• Creator defines semantic and activity
  • Define entity and observation types
  • Define actors to give access to those entity types
  • Define activity
    • Define observers to get things to apply actions on
    • Define reasoners to apply actions on the things observed
    • Associate actors to the activity
  • Publish activity, sharing it with follower tenants
• Follower subscribes to the service
• Follower invite other followers