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        "http://www.w3.org/ns/prov#value" : [ "The sixth aspect of the present invention is a method of controlling a high intensity discharge bulb, in which by applying drive pulses to the high intensity discharge bulb which is mounted on a vehicle a predetermined target electric power is supplied to the high intensity discharge bulb, the method comprising: detecting a drive voltage of the high intensity discharge bulb; setting an assumed dri" ] ,
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