def __init__(self):
     Analyzer.__init__(self)
     self.main_occurances = defaultdict(int)
     self.qualifier_occurances = defaultdict(lambda: defaultdict(int))
     self.context = "qualifier"
 def __init__(self, classiying_property_ids=[31, 279]):
     Analyzer.__init__(self)
     self.classiying_pids = classiying_property_ids
     self.tuple_occurrences = defaultdict(int)
     self.pair_occurrences = defaultdict(lambda: defaultdict(int))