Example #1
0
    def get_pair_input_list(self, pair_type_list, left_sample_type, **kwargs):
        indexed_event_list = self.get_indexed_events()
        if len(indexed_event_list) <= 1:
            return []

        assert 'tf_arg' in pair_type_list
        assert left_sample_type in ['one', 'all']

        left_input_list = [
            rich_event.get_pos_input(include_all_pobj=False)
            for rich_event in indexed_event_list
        ]

        pair_input_dict = defaultdict(list)

        for event_idx, rich_event in enumerate(indexed_event_list):
            left_input_idx_list = \
                range(0, event_idx) + range(event_idx, len(indexed_event_list))

            for pair_type in pair_type_list:
                pair_input_list = \
                    rich_event.get_pair_input_list(pair_type, **kwargs)
                for pair_input in pair_input_list:
                    if left_sample_type == 'one':
                        left_input = left_input_list[random.choice(
                            left_input_idx_list)]
                        pair_input_dict[pair_type].append(
                            IndexedEventTriple(left_input, *pair_input))
                    else:
                        for left_input_idx in left_input_idx_list:
                            left_input = left_input_list[left_input_idx]
                            pair_input_dict[pair_type].append(
                                IndexedEventTriple(left_input, *pair_input))

        results = []

        tf_arg_list = pair_input_dict['tf_arg']
        results.extend(tf_arg_list)
        num_tf_arg = len(tf_arg_list)

        if 'wo_arg' in pair_input_dict:
            wo_arg_list = pair_input_dict['wo_arg']
            if len(wo_arg_list) > num_tf_arg:
                results.extend(
                    random.sample(wo_arg_list, int(0.8 * num_tf_arg)))
            else:
                results.extend(wo_arg_list)
        if 'two_args' in pair_input_dict:
            two_args_list = pair_input_dict['two_args']
            if len(two_args_list) > num_tf_arg:
                results.extend(
                    random.sample(two_args_list, int(0.8 * num_tf_arg)))
            else:
                results.extend(two_args_list)

        random.shuffle(results)

        return results
Example #2
0
    def get_pair_tuning_input_list_two_args(self, sample_type):
        # TODO: remove old function
        # return empty list when number of events with indexed predicate is
        # less than of equal to 1, since there exists no left inputs
        indexed_event_list = self.get_indexed_events()
        if len(indexed_event_list) <= 1:
            return []
        assert sample_type in ['one', 'all'], \
            'sample_type can only be ' \
            'one (one random left event for every negative sample), or' \
            'all (every left event for every negative sample)'
        results = []
        pos_input_list = [
            rich_event.get_pos_input(include_all_pobj=False)
            for rich_event in indexed_event_list
        ]

        for pos_idx, pos_event in enumerate(indexed_event_list):
            if pos_input_list[pos_idx] is None:
                continue
            left_input_idx_list = \
                range(0, pos_idx) + range(pos_idx, len(indexed_event_list))

            arg_idx_with_entity = [
                idx for idx in [1, 2, 3] if pos_event.has_neg(idx)
            ]
            if len(arg_idx_with_entity) < 2:
                continue

            for pos_arg_idx, neg_arg_idx in permutations(
                    arg_idx_with_entity, 2):
                pos_input = deepcopy(pos_input_list[pos_idx])
                pos_input.set_argument(neg_arg_idx, -1)
                neg_input = deepcopy(pos_input_list[pos_idx])
                neg_input.set_argument(neg_arg_idx,
                                       neg_input.get_argument(pos_arg_idx))
                pos_salience = \
                    pos_event.get_argument(pos_arg_idx).get_pos_salience()
                neg_salience = pos_salience
                neg_input.set_argument(pos_arg_idx, -1)
                if sample_type == 'one':
                    left_input = pos_input_list[random.choice(
                        left_input_idx_list)]
                    results.append(
                        IndexedEventTriple(left_input, pos_input, neg_input,
                                           pos_arg_idx, neg_arg_idx,
                                           pos_salience, neg_salience))
                else:
                    for left_input_idx in left_input_idx_list:
                        left_input = pos_input_list[left_input_idx]
                        results.append(
                            IndexedEventTriple(left_input, pos_input,
                                               neg_input, pos_arg_idx,
                                               neg_arg_idx, pos_salience,
                                               neg_salience))

        return results
Example #3
0
    def get_pair_tuning_input_list_wo_arg(self,
                                          sample_type,
                                          model,
                                          include_type=True,
                                          use_unk=True):
        # TODO: remove old function
        # return empty list when number of events with indexed predicate is
        # less than of equal to 1, since there exists no left inputs
        indexed_event_list = self.get_indexed_events()
        if len(indexed_event_list) <= 1:
            return []
        assert sample_type in ['one', 'all'], \
            'sample_type can only be ' \
            'one (one random left event for every negative sample), or' \
            'all (every left event for every negative sample)'
        results = []
        pos_input_list = [
            rich_event.get_pos_input(include_all_pobj=False)
            for rich_event in indexed_event_list
        ]

        arg_type_map = {1: 'SUBJ', 2: 'OBJ', 3: 'PREP'}

        for pos_idx, pos_event in enumerate(indexed_event_list):
            pos_input = pos_input_list[pos_idx]
            if pos_input is None:
                continue
            left_input_idx_list = \
                range(0, pos_idx) + range(pos_idx, len(indexed_event_list))
            for arg_idx in [1, 2, 3]:
                if pos_event.has_neg(arg_idx):
                    pos_salience = \
                        pos_event.get_argument(arg_idx).get_pos_salience()
                    neg_input = deepcopy(pos_input)
                    neg_input.set_argument(arg_idx, -1)
                    neg_salience = EntitySalience(**{})
                elif pos_event.get_argument(arg_idx) is None:
                    # do not add pair when there is no entity in the script
                    if len(self.rich_entities) == 0:
                        continue
                    pos_salience = EntitySalience(**{})
                    neg_input = deepcopy(pos_input)
                    random_entity = random.choice(self.rich_entities)
                    arg_type = arg_type_map[arg_idx] if include_type else ''
                    neg_input.set_argument(
                        arg_idx,
                        random_entity.get_index(model,
                                                arg_type=arg_type,
                                                use_unk=use_unk))
                    neg_salience = random_entity.get_salience()
                else:
                    continue
                if sample_type == 'one':
                    left_input = pos_input_list[random.choice(
                        left_input_idx_list)]
                    results.append(
                        IndexedEventTriple(left_input, pos_input, neg_input,
                                           arg_idx, arg_idx, pos_salience,
                                           neg_salience))
                else:
                    for left_input_idx in left_input_idx_list:
                        left_input = pos_input_list[left_input_idx]
                        results.append(
                            IndexedEventTriple(left_input, pos_input,
                                               neg_input, arg_idx, arg_idx,
                                               pos_salience, neg_salience))
        return results
Example #4
0
 def get_pair_tuning_input_list(self, neg_sample_type):
     # TODO: remove old function
     # return empty list when number of entities is less than or equal to 1,
     # since there exists no negative inputs
     if self.num_entities <= 1:
         return []
     # return empty list when number of events with indexed predicate is
     # less than of equal to 1, since there exists no left inputs
     indexed_event_list = self.get_indexed_events()
     if len(indexed_event_list) <= 1:
         return []
     assert neg_sample_type in ['one', 'neg', 'all'], \
         'neg_sample_type can only be ' \
         'one (one random negative event and one random left event), ' \
         'neg (one random left event for every negative event), or ' \
         'all (every left event for every negative event)'
     results = []
     pos_input_list = [
         rich_event.get_pos_input(include_all_pobj=False)
         for rich_event in indexed_event_list
     ]
     for pos_idx, pos_event in enumerate(indexed_event_list):
         pos_input = pos_input_list[pos_idx]
         if pos_input is None:
             continue
         left_input_idx_list = \
             range(0, pos_idx) + range(pos_idx, len(indexed_event_list))
         for arg_idx in [1, 2, 3]:
             if pos_event.has_neg(arg_idx):
                 pos_salience = \
                     pos_event.get_argument(arg_idx).get_pos_salience()
                 if neg_sample_type == 'one':
                     neg_input, neg_salience = random.choice(
                         pos_event.get_neg_input_list(
                             arg_idx, include_salience=True))
                     left_input = pos_input_list[random.choice(
                         left_input_idx_list)]
                     results.append(
                         IndexedEventTriple(left_input, pos_input,
                                            neg_input, arg_idx, arg_idx,
                                            pos_salience, neg_salience))
                 else:
                     neg_input_list = pos_event.get_neg_input_list(
                         arg_idx, include_salience=True)
                     for neg_input, neg_salience in neg_input_list:
                         if neg_sample_type == 'neg':
                             left_input = pos_input_list[random.choice(
                                 left_input_idx_list)]
                             results.append(
                                 IndexedEventTriple(left_input, pos_input,
                                                    neg_input, arg_idx,
                                                    arg_idx, pos_salience,
                                                    neg_salience))
                         else:
                             for left_input_idx in left_input_idx_list:
                                 left_input = pos_input_list[left_input_idx]
                                 results.append(
                                     IndexedEventTriple(
                                         left_input, pos_input, neg_input,
                                         arg_idx, arg_idx, pos_salience,
                                         neg_salience))
     return results