pair_generator.py 文件源码

python
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项目:MatchZoo 作者: faneshion 项目源码 文件源码
def make_pair_iter(self, rel):
        rel_set = {}
        pair_list = []
        for label, d1, d2 in rel:
            if d1 not in rel_set:
                rel_set[d1] = {}
            if label not in rel_set[d1]:
                rel_set[d1][label] = []
            rel_set[d1][label].append(d2)

        while True:
            rel_set_sample = random.sample(rel_set.keys(), self.config['query_per_iter'])

            for d1 in rel_set_sample:
                label_list = sorted(rel_set[d1].keys(), reverse = True)
                for hidx, high_label in enumerate(label_list[:-1]):
                    for low_label in label_list[hidx+1:]:
                        for high_d2 in rel_set[d1][high_label]:
                            for low_d2 in rel_set[d1][low_label]:
                                pair_list.append( (d1, high_d2, low_d2) )
            yield pair_list
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