Data format

• task_id: dialog
  • sys-usr: system annotator ID and user annotation ID.
  • goal: list of tuples, includes:
    • sub-goal id
    • domain name
    • slot name
    • constraint if filled, else requirement
    • whether be mentioned in previous turns
  • message: dialog turns. Each turn contains
    • content: utterance
    • role: user or system side
    • dialog_act: list of dialog act tuples, includes:
      • domain
      • intent
      • slot
      • value
    • user_state: same format as "goal", can be viewed as dynamic goal
    • sys_state_init: the first db query emitted, records user constraints faithfully. If the system find no result that matches, he/she may relax the constraints manually and search db multiple times.
      • domain: slot-value pairs
      • selectedResults: db search result that would be used in this turn
    • sys_state: the final db query emitted, records the db used by the system in this turn. Note that this may not satisfy all user constraints.
  • final_goal: user state/goal at the end of dialog
  • task description: natural language description of the user goal.
  • type: dialog type.