chunkers.py 文件源码

def parse(self, tagged_sent):
        iobs = []
        in_person = False

        for word, tag in tagged_sent:
            if word in self.name_set and in_person:
                iobs.append((word, tag, 'I-PERSON'))
            elif word in self.name_set:
                iobs.append((word, tag, 'B-PERSON'))
                in_person = True
            else:
                iobs.append((word, tag, 'O'))
                in_person = False

        return conlltags2tree(iobs)