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import json |
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from itertools import product |
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import numpy as np |
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import pandas as pd |
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import seaborn as sns |
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from matplotlib import pyplot as plt |
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from datasets import Dataset |
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parameters_min_e_freq = [1, 2, 3, 4] |
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parameters_max_p_freq = [100, 50, 25, 10] |
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assert len(parameters_min_e_freq) == 4 |
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assert len(parameters_max_p_freq) == 4 |
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sns.set_theme(style="whitegrid") |
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def is_entity(token): |
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return any(i.isupper() for i in token) |
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with open(f"data/t_rex.filter_unified.jsonl") as f: |
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data = Dataset.from_list([json.loads(i) for i in f.read().split('\n') if len(i) > 0]) |
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df_main = data.to_pandas() |
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c_sub = df_main.groupby("subject")['title'].count() |
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c_obj = df_main.groupby("object")['title'].count() |
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key = set(list(c_sub.index) + list(c_obj.index)) |
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count_main = pd.DataFrame( |
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[{'entity': k, "subject": c_sub[k] if k in c_sub else 0, "object": c_obj[k] if k in c_obj else 0} for k in key]) |
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count_main.index = count_main.pop('entity') |
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count_main['is_entity'] = [is_entity(i) for i in count_main.index] |
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count_main['sum'] = count_main['subject'] + count_main['object'] |
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def filtering(row, min_freq: int = 3, target: str = "subject"): |
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if not row['is_entity']: |
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return True |
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return row[target] >= min_freq |
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def main(min_entity_freq, max_pairs_predicate, min_pairs_predicate: int = 3, random_sampling: bool = True): |
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df = df_main.copy() |
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count_filter_sub = count_main[count_main.apply(lambda x: filtering(x, min_freq=min_entity_freq, target='subject'), axis=1)]['subject'] |
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count_filter_obj = count_main[count_main.apply(lambda x: filtering(x, min_freq=min_entity_freq, target='object'), axis=1)]['object'] |
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vocab_sub = set(count_filter_sub.index) |
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vocab_obj = set(count_filter_obj.index) |
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df['flag_subject'] = [i in vocab_sub for i in df['subject']] |
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df['flag_object'] = [i in vocab_obj for i in df['object']] |
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df['flag'] = df['flag_subject'] & df['flag_object'] |
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df_filter = df[df['flag']] |
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df_filter.pop("flag") |
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df_filter.pop("flag_subject") |
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df_filter.pop("flag_object") |
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df_filter['count_subject'] = [count_filter_sub.loc[i] for i in df_filter['subject']] |
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df_filter['count_object'] = [count_filter_obj.loc[i] for i in df_filter['object']] |
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df_filter['count_sum'] = df_filter['count_subject'] + df_filter['count_object'] |
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if random_sampling: |
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df_balanced = pd.concat( |
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[g if len(g) <= max_pairs_predicate else g.sample(max_pairs_predicate, random_state=0) for _, g in |
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df_filter.groupby("predicate") if len(g) >= min_pairs_predicate]) |
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else: |
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df_balanced = pd.concat( |
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[g if len(g) <= max_pairs_predicate else g.sort_values(by='count_sum', ascending=False).head(max_pairs_predicate) for _, g in |
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df_filter.groupby("predicate") if len(g) >= min_pairs_predicate]) |
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df_balanced.pop("count_subject") |
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df_balanced.pop("count_object") |
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df_balanced.pop("count_sum") |
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df_balanced = df_balanced.drop_duplicates(subset=['subject', 'object', 'predicate'], keep='last') |
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target_data = [i.to_dict() for _, i in df_balanced.iterrows()] |
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predicate_dist = df_balanced.groupby("predicate")['text'].count().sort_values(ascending=False).to_dict() |
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entity, count = np.unique(df_balanced['object'].tolist() + df_balanced['subject'].tolist(), return_counts=True) |
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entity_dist = dict(list(zip(entity.tolist(), count.tolist()))) |
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return predicate_dist, entity_dist, target_data |
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if __name__ == '__main__': |
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p_dist_full = [] |
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e_dist_full = [] |
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config = [] |
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candidates = list(product(parameters_min_e_freq, parameters_max_p_freq)) |
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for min_e_freq, max_p_freq in candidates: |
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p_dist, e_dist, new_data = main( |
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min_entity_freq=min_e_freq, max_pairs_predicate=max_p_freq, random_sampling=False) |
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p_dist_full.append(p_dist) |
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e_dist_full.append(e_dist) |
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config.append([min_e_freq, max_p_freq]) |
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with open(f"data/t_rex.filter_unified.min_entity_{min_e_freq}_max_predicate_{max_p_freq}.jsonl", 'w') as f: |
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f.write('\n'.join([json.dumps(i) for i in new_data])) |
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df_p = pd.DataFrame([dict(enumerate(sorted(p.values(), reverse=True))) for p in p_dist_full]).T |
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df_p.columns = [f"min entity: {mef}, max predicate: {mpf}" for mef, mpf in candidates] |
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fig, axes = plt.subplots(2, 2, constrained_layout=True) |
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fig.suptitle('Predicate Distribution over Different Configurations') |
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for (x, y), mpf in zip([(0, 0), (0, 1), (1, 0), (1, 1)], parameters_max_p_freq): |
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_df = df_p[[f"min entity: {mef}, max predicate: {mpf}" for mef in parameters_min_e_freq]] |
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_df.columns = [f"min entity: {mef}" for mef in parameters_min_e_freq] |
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ax = sns.lineplot(ax=axes[x, y], data=_df, linewidth=1) |
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if mpf != 100: |
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ax.legend_.remove() |
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axes[x, y].set_title(f'max predicate: {mpf}') |
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fig.supxlabel('unique predicates sorted by frequency') |
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fig.supylabel('number of triples') |
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fig.savefig("data/stats.predicate_distribution.png", bbox_inches='tight') |
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fig.clf() |
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df_e = pd.DataFrame([dict(enumerate(sorted(e.values(), reverse=True))) for e in e_dist_full]).T |
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df_e.columns = [f"min entity: {mef}, max predicate: {mpf}" for mef, mpf in candidates] |
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fig, axes = plt.subplots(2, 2, constrained_layout=True) |
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fig.suptitle('Entity Distribution over Different Configurations') |
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for (x, y), mpf in zip([(0, 0), (0, 1), (1, 0), (1, 1)], parameters_max_p_freq): |
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_df = df_e[[f"min entity: {mef}, max predicate: {mpf}" for mef in parameters_min_e_freq]] |
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_df.columns = [f"min entity: {mef}" for mef in parameters_min_e_freq] |
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ax = sns.lineplot(ax=axes[x, y], data=_df, linewidth=1) |
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ax.set(xscale='log') |
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if mpf != 100: |
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ax.legend_.remove() |
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axes[x, y].set_title(f'max predicate: {mpf}') |
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fig.supxlabel('unique entities sorted by frequency') |
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fig.supylabel('number of triples') |
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fig.savefig("data/stats.entity_distribution.png", bbox_inches='tight') |
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fig.clf() |
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