13. The system of claim 12 , the operations further comprising, when the level of confidence is sufficiently low, presenting a refining prompt to allow the user to select one or more possible values for the one or more missing parameters, the one or more possible values being determined based on data associated with the one or more current or future events.
13. The system of claim 12 , the operations further comprising, when the level of confidence is sufficiently low, presenting a refining prompt to allow the user to select one or more possible values for the one or more missing parameters, the one or more possible values being determined based on data associated with the one or more current or future events. 14. The system of claim 13 , the operations further comprising, when the level of confidence is sufficiently high, assigning values to the one or more missing parameters based on data associated with the one or more current or future events without presenting the refining prompt.