def __init__( self, abstract, track, responsible, answers ):
        self._abstract = abstract
        self._track = track
        self._setResponsible( responsible )
        self._comment = ""
        self._date = nowutc()
        self._answers = answers
        self._judValue = self.calculateJudgementAverage() # judgement average value
        self._totalJudValue = self.calculateAnswersTotalValue()