11.2

.gitignore

@@ -1,5 +1,4 @@
 /deprecated/
-/datasets/
 /ml_er/output/*
 /md_discovery/output/*
 /hpo/output/*

entrance.py

@@ -1,27 +0,0 @@
-# this is the entrance of the auto-ER procedure
-from md_discovery.md_discover import md_discover
-from ml_er.ml_entity_resolver import ml_er
-from hpo.er_model_hpo import ml_er_hpo
-from settings import *
-
-
-def run(rounds: int):
-    hp_config = None
-    iter_round = 1
-    for i in range(0, rounds):
-        ml_er(iter_round, hp_config)
-        md_discover()
-        hp_config = ml_er_hpo()
-        iter_round += 1
-    ml_er(iter_round, hp_config)
-    return
-
-
-if __name__ == '__main__':
-    # todo
-    #  使用drop删除特征向量中的列？(如删除id相关特征)
-    run(1)  # 迭代3轮
-    # ml_er(1)
-    # todo 将优化结果与参数输出到文件中
-    #  通过ml_entity_resolver.ml_er()输出,同时输出参数配置信息
-    print(ltable_path)

hpo/er_model_hpo.py

@@ -17,17 +17,17 @@ from ml_er.ml_entity_resolver import evaluate_prediction, load_mds, is_explicabl
 # 数据在外部加载
 ########################################################################################################################
 ltable = pd.read_csv(ltable_path, encoding='ISO-8859-1')
-ltable.fillna("", inplace=True)
+# ltable.fillna("", inplace=True)
 rtable = pd.read_csv(rtable_path, encoding='ISO-8859-1')
-rtable.fillna("", inplace=True)
+# rtable.fillna("", inplace=True)
 mappings = pd.read_csv(mapping_path)
 
 lid_mapping_list = []
 rid_mapping_list = []
 # 全部转为字符串
-ltable = ltable.astype(str)
+# ltable = ltable.astype(str)
-rtable = rtable.astype(str)
+# rtable = rtable.astype(str)
-mappings = mappings.astype(str)
+# mappings = mappings.astype(str)
 matching_number = len(mappings)  # 所有阳性样本数，商品数据集应为1300
 
 for index, row in mappings.iterrows():
@@ -35,6 +35,7 @@ for index, row in mappings.iterrows():
     rid_mapping_list.append(row[mapping_rid])
 # 仅保留两表中出现在映射表中的行，增大正样本比例
 selected_ltable = ltable[ltable[ltable_id].isin(lid_mapping_list)]
+if len(lr_attrs_map) > 0:
     selected_ltable = selected_ltable.rename(columns=lr_attrs_map)  # 参照右表，修改左表中与右表对应但不同名的字段
 tables_id = rtable_id  # 不论左表右表ID字段名是否一致，经上一行调整，统一以右表为准
 selected_rtable = rtable[rtable[rtable_id].isin(rid_mapping_list)]
@@ -72,11 +73,13 @@ class Classifier:
             blocker = em.OverlapBlocker()
             candidate = blocker.block_tables(selected_ltable, selected_rtable, config["block_attr"], config["block_attr"],
                                              l_output_attrs=selected_attrs, r_output_attrs=selected_attrs,
-                                             overlap_size=config["overlap_size"], show_progress=False)
+                                             overlap_size=config["overlap_size"], show_progress=False,
+                                             allow_missing=True)
         elif config["ml_blocker"] == "attr_equiv":
             blocker = em.AttrEquivalenceBlocker()
             candidate = blocker.block_tables(selected_ltable, selected_rtable, config["block_attr"], config["block_attr"],
-                                             l_output_attrs=selected_attrs, r_output_attrs=selected_attrs)
+                                             l_output_attrs=selected_attrs, r_output_attrs=selected_attrs,
+                                             allow_missing=True)
 
         candidate['gold'] = 0
 
@@ -159,6 +162,8 @@ class Classifier:
                                                     attrs_after=test_feature_after, show_progress=False)
 
         fit_exclude = ['_id', 'ltable_' + tables_id, 'rtable_' + tables_id, 'gold']
+        train_feature_vecs.fillna(0, inplace=True)
+        test_feature_vecs.fillna(0, inplace=True)
         matcher.fit(table=train_feature_vecs, exclude_attrs=fit_exclude, target_attr='gold')
 
         test_feature_after.extend(['_id', 'ltable_' + tables_id, 'rtable_' + tables_id])
@@ -176,7 +181,7 @@ class Classifier:
         predictions_attrs.extend(['gold', 'predicted'])
         predictions = predictions[predictions_attrs]
         predictions = predictions.reset_index(drop=True)
-        predictions = predictions.astype(str)
+        # predictions = predictions.astype(str)
         sim_tensor_dict = build_col_pairs_sim_tensor_dict(predictions)
 
         #  默认路径为 "../md_discovery/output/xxx.txt"
@@ -191,14 +196,14 @@ class Classifier:
 
         ppre = predictions[predictions['predicted'] == str(1)]
         interpretability = epl_match / len(ppre)  # 可解释性
-        # todo block_recall可以考虑以下注释
+
-        # if indicators["block_recall"] >= 0.8:
+        if indicators["block_recall"] >= 0.8:
-        #     f1 = indicators["F1"]
-        # else:
-        #     f1 = (2.0 * indicators["precision"] * indicators["block_recall"]) / (indicators["precision"] + indicators["block_recall"])
-        if indicators["block_recall"] < 0.8:
-            return 1
             f1 = indicators["F1"]
+        else:
+            f1 = (2.0 * indicators["precision"] * indicators["block_recall"]) / (indicators["precision"] + indicators["block_recall"])
+        # if indicators["block_recall"] < 0.8:
+        #     return 1
+        # f1 = indicators["F1"]
         performance = interpre_weight * interpretability + (1 - interpre_weight) * f1
         return 1 - performance
 
@@ -230,17 +235,20 @@ def ml_er_hpo():
     )
 
     incumbent = smac.optimize()
-    incumbent_ndarray = incumbent.get_array()
+    incumbent_cost = smac.validate(incumbent)
-    np.save(hpo_output_dir + 'incumbent.npy', incumbent_ndarray)
+    default = cs.get_default_configuration()
+    default_cost = smac.validate(default)
+    print(f"Default Cost: {default_cost}")
+    print(f"Incumbent Cost: {incumbent_cost}")
 
-    # Get cost of default configuration
+    if incumbent_cost > default_cost:
-    default_cost = smac.validate(cs.get_default_configuration())
+        incumbent = default
-    print(f"Default cost: {default_cost}")
+        print(f"Updated Incumbent Cost: {default_cost}")
 
-    # Let's calculate the cost of the incumbent
+    print(f"Optimized Configuration:{incumbent.values()}")
-    incumbent_cost = smac.validate(incumbent)
+
-    print(f"Incumbent cost: {incumbent_cost}")
+    incumbent_ndarray = incumbent.get_array()
-    print(f"Optimized_Configuration:{incumbent.values()}")
+    np.save(hpo_output_dir + 'incumbent.npy', incumbent_ndarray)
 
     return incumbent
 

md_discovery/tmp_discover.py

@@ -10,9 +10,7 @@ import copy
 import torch
 from tqdm import tqdm
 
-from settings import model, md_output_dir
+from settings import model, md_output_dir, confidence_threshold
-
-conf_thresh = 0.8
 
 
 def is_minimal(md, md_list, target_col):
@@ -60,7 +58,6 @@ def pairs_inference(path, threshold, target_col):
     table_tensor = torch.stack(split_embedding, dim=0, out=None)
     norm_table_tensor = torch.nn.functional.normalize(table_tensor, dim=2)
     sim_tensor = torch.matmul(norm_table_tensor, norm_table_tensor.transpose(1, 2))
-    sim_tensor = sim_tensor/2 + 0.5
 
     torch.save(sim_tensor, md_output_dir + "tensor.pt")
 
@@ -130,7 +127,7 @@ def pairs_inference(path, threshold, target_col):
         if support < 1:
             print('delete by support')
             remove_list.append(md)
-        if confidence < 0.5:
+        if confidence < confidence_threshold:
             print('delete by confidence')
             remove_list.append(md)
     # fuck_me = sorted(fuck, key=lambda x: x[1], reverse=True)
@@ -172,54 +169,3 @@ def get_metrics(current_md, data, sim_tensor, target_col, target_index):
     confidence = confidence_numerator / support
 
     return support, confidence
-
-
-def get_mds_metadata(md_list, dataset_path, sim_tensor, target_col):
-    data = pd.read_csv(dataset_path, low_memory=False, encoding='ISO-8859-1')
-    data.fillna("", inplace=True)
-    data = data.astype(str)
-
-    manager = multiprocessing.Manager()
-    if len(md_list) == 0:
-        return []
-    pool_size = 16
-    pool = multiprocessing.Pool(pool_size)
-    result = []
-    with manager:
-        for _ in md_list:
-            task = pool.apply_async(get_one_md_metadata, args=(_, data, sim_tensor, target_col))
-            support, confidence = task.get()
-            result.append({"md": _, "support": support, "confidence": confidence})
-        pool.close()
-        pool.join()
-    return result
-
-
-def get_one_md_metadata(md, dataframe, sim_tensor, target_col):
-    support = 0
-    pre_confidence = 0
-    columns = dataframe.columns.values.tolist()
-    length = dataframe.shape[0]
-    width = dataframe.shape[1]
-    for row1 in range(0, length - 1):
-        for row2 in range(row1 + 1, length):
-            left_satisfy = True
-            both_satisfy = True
-            for col_index in range(0, width):
-                col = columns[col_index]
-                sim = sim_tensor[col_index, row1, row2].item()
-                if col == target_col:
-                    if sim < 1:
-                        both_satisfy = False
-                else:
-                    if sim < md[col]:
-                        left_satisfy = False
-                        both_satisfy = False
-            if left_satisfy:
-                support += 1
-            if both_satisfy:
-                pre_confidence += 1
-
-    confidence = 0 if support == 0 else pre_confidence / support
-    # return {"md": md, "support": support, "confidence": confidence}
-    return support, confidence

ml_er/ml_entity_resolver.py

@@ -46,7 +46,7 @@ def process_prediction_for_md_discovery(pred: pd.DataFrame,
     rdf.columns = cols
     t_single_tuple = pd.concat([ldf, rdf])
 
-    t_single_tuple.to_csv(t_single_tuple_path, sep=',', index=False, header=True)
+    t_single_tuple.to_csv(t_single_tuple_path, sep=',', index=False, header=True, quoting=1)
 
 
 def evaluate_prediction(df: pd.DataFrame, labeled_attr: str, predicted_attr: str, matching_number: int,
@@ -140,37 +140,34 @@ def build_col_pairs_sim_tensor_dict(predictions: pandas.DataFrame):
         rattr_tensor = norm_table_tensor[col_tuple[1]]
         mul_tensor = lattr_tensor * rattr_tensor
         sim_tensor = torch.sum(mul_tensor, 1)
-        sim_tensor = sim_tensor / 2 + 0.5
         sim_tensor_dict[predictions_attrs[col_tuple[0]].replace('ltable_', '')] = sim_tensor
     return sim_tensor_dict
 
 
 def ml_er(iter_round: int, config: Configuration = None, ):
-    # todo:
-    #  if config is not None -> load configs
-    #  else -> use default configs
     ltable = pd.read_csv(ltable_path, encoding='ISO-8859-1')
     cm.set_key(ltable, ltable_id)
-    ltable.fillna("", inplace=True)
+    # ltable.fillna("", inplace=True)
     rtable = pd.read_csv(rtable_path, encoding='ISO-8859-1')
     cm.set_key(rtable, rtable_id)
-    rtable.fillna("", inplace=True)
+    # rtable.fillna("", inplace=True)
-    mappings = pd.read_csv(mapping_path)
+    mappings = pd.read_csv(mapping_path, encoding='ISO-8859-1')
 
     # 仅保留两表中出现在映射表中的行，增大正样本比例
     lid_mapping_list = []
     rid_mapping_list = []
     # 全部转为字符串
-    ltable = ltable.astype(str)
+    # ltable = ltable.astype(str)
-    rtable = rtable.astype(str)
+    # rtable = rtable.astype(str)
-    mappings = mappings.astype(str)
+    # mappings = mappings.astype(str)
-    matching_number = len(mappings)  # 所有阳性样本数，商品数据集应为1300
+    matching_number = len(mappings)  # 所有阳性样本数
 
     for index, row in mappings.iterrows():
         lid_mapping_list.append(row[mapping_lid])
         rid_mapping_list.append(row[mapping_rid])
 
     selected_ltable = ltable[ltable[ltable_id].isin(lid_mapping_list)]
+    if len(lr_attrs_map) > 0:
         selected_ltable = selected_ltable.rename(columns=lr_attrs_map)  # 参照右表，修改左表中与右表对应但不同名的字段
     tables_id = rtable_id
     selected_rtable = rtable[rtable[rtable_id].isin(rid_mapping_list)]
@@ -199,19 +196,21 @@ def ml_er(iter_round: int, config: Configuration = None, ):
 
         if config["ml_blocker"] == "over_lap":
             blocker = em.OverlapBlocker()
-            candidate = blocker.block_tables(selected_ltable, selected_rtable, config["block_attr"], config["block_attr"],
+            candidate = blocker.block_tables(selected_ltable, selected_rtable, config["block_attr"],
+                                             config["block_attr"], allow_missing=True,
                                              l_output_attrs=selected_attrs, r_output_attrs=selected_attrs,
                                              overlap_size=config["overlap_size"], show_progress=False)
         elif config["ml_blocker"] == "attr_equiv":
             blocker = em.AttrEquivalenceBlocker()
-            candidate = blocker.block_tables(selected_ltable, selected_rtable, config["block_attr"], config["block_attr"],
+            candidate = blocker.block_tables(selected_ltable, selected_rtable, config["block_attr"],
+                                             config["block_attr"], allow_missing=True,
                                              l_output_attrs=selected_attrs, r_output_attrs=selected_attrs)
     else:
         matcher = em.RFMatcher(name='RF', random_state=0)
         blocker = em.OverlapBlocker()
         candidate = blocker.block_tables(selected_ltable, selected_rtable, items_but_id[0], items_but_id[0],
                                          l_output_attrs=selected_attrs, r_output_attrs=selected_attrs,
-                                         overlap_size=1, show_progress=False)
+                                         overlap_size=1, show_progress=False, allow_missing=True)
 
     candidate['gold'] = 0
 
@@ -267,6 +266,8 @@ def ml_er(iter_round: int, config: Configuration = None, ):
                                                 attrs_after=test_feature_after, show_progress=False)
 
     fit_exclude = ['_id', 'ltable_' + tables_id, 'rtable_' + tables_id, 'gold']
+    train_feature_vecs.fillna(0, inplace=True)
+    test_feature_vecs.fillna(0, inplace=True)
     matcher.fit(table=train_feature_vecs, exclude_attrs=fit_exclude, target_attr='gold')
     test_feature_after.extend(['_id', 'ltable_' + tables_id, 'rtable_' + tables_id])
     predictions = matcher.predict(table=test_feature_vecs, exclude_attrs=test_feature_after,
@@ -301,7 +302,8 @@ def ml_er(iter_round: int, config: Configuration = None, ):
     if indicators["block_recall"] >= 0.8:
         f1 = indicators["F1"]
     else:
-        f1 = (2.0 * indicators["precision"] * indicators["block_recall"]) / (indicators["precision"] + indicators["block_recall"])
+        f1 = (2.0 * indicators["precision"] * indicators["block_recall"]) / (
+                    indicators["precision"] + indicators["block_recall"])
     performance = interpre_weight * interpretability + (1 - interpre_weight) * f1
     ################################################################################################################
 

settings.py

@@ -1,20 +1,20 @@
 from sentence_transformers import SentenceTransformer
 import numpy as np
 
-ltable_path = 'E:\\Data\\Research\\Projects\\matching_dependency\\datasets\\Amazon.csv'
+ltable_path = r'E:\Data\Research\Projects\matching_dependency\datasets\Walmart-Amazon_dirty\tableA.csv'
-rtable_path = 'E:\\Data\\Research\\Projects\\matching_dependency\\datasets\\GoogleProducts.csv'
+rtable_path = r'E:\Data\Research\Projects\matching_dependency\datasets\Walmart-Amazon_dirty\tableB.csv'
-mapping_path = 'E:\\Data\\Research\\Projects\\matching_dependency\\datasets\\Amzon_GoogleProducts_perfectMapping.csv'
+mapping_path = r'E:\Data\Research\Projects\matching_dependency\datasets\Walmart-Amazon_dirty\matches.csv'
-mapping_lid = 'idAmazon'  # mapping表中左表id名
+mapping_lid = 'id1'  # mapping表中左表id名
-mapping_rid = 'idGoogleBase'  # mapping表中右表id名
+mapping_rid = 'id2'  # mapping表中右表id名
 ltable_id = 'id'  # 左表id字段名称
 rtable_id = 'id'  # 右表id字段名称
 target_attr = 'id'  # 进行md挖掘时的目标字段
-lr_attrs_map = {'title': 'name'}  # 如果两个表中存在对应字段名称不一样的情况，将名称加入列表便于调整一致
+lr_attrs_map = {}  # 如果两个表中存在对应字段名称不一样的情况，将名称加入列表便于调整一致
-similarity_threshold = 0.7
+similarity_threshold = 0.2
 support_threshold = 1
-confidence_threshold = 0.8
+confidence_threshold = 0.5
 interpre_weight = 0.3  # 可解释性权重
 er_output_dir = 'E:\\Data\\Research\\Projects\\matching_dependency\\ml_er\\output\\'
 md_output_dir = 'E:\\Data\\Research\\Projects\\matching_dependency\\md_discovery\\output\\'
 hpo_output_dir = 'E:\\Data\\Research\\Projects\\matching_dependency\\hpo\\output\\'
-model = SentenceTransformer('E:\\Data\\Research\\Models\\paraphrase-MiniLM-L6-v2')
+model = SentenceTransformer('E:\\Data\\Research\\Models\\roberta-large-nli-stsb-mean-tokens')

tfile.py

@@ -116,6 +116,13 @@ def test8():
     print(cum)
 
 
+def test9():
+    df = pd.read_json(r'./datasets/t.json', encoding='ISO-8859-1', lines=True)
+    df.to_csv(r'./datasets/s.csv')
+    d = pd.read_csv(r'./datasets/s.csv', encoding='ISO-8859-1')
+    print(1)
+
+
 if __name__ == '__main__':
     start = time.time()
     t_single_tuple_path = er_output_dir + "t_single_tuple.csv"