def __init__(self, data_source=None):
Schema.__init__(self, data_source)
self.add_table('sent', 'sid docID pid sent comment usrname'.split())
self.add_table('word', 'sid wid word pos lemma cfrom cto comment usrname'.split())
self.add_table('concept', 'sid wid word pos lemma cfrom cto comment usrname'.split())
def __init__(self, data_source=None):
Schema.__init__(self, data_source)
self.add_table('sent', 'sid docID pid sent comment usrname'.split())
