Ejemplo n.º 1
0
def main():
    """训练模型,评估结果"""

    # 读取数据
    print("读取数据...")
    train_word_lists, train_tag_lists, word2id, tag2id = \
        build_corpus("train")
    dev_word_lists, dev_tag_lists = build_corpus("dev", make_vocab=False)
    test_word_lists, test_tag_lists = build_corpus("test", make_vocab=False)

    # 如果是加了CRF的lstm还要加入<start>和<end> (解码的时候需要用到)
    crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
    # 还需要额外的一些数据处理
    train_word_lists, train_tag_lists = prepocess_data_for_lstmcrf(
        train_word_lists, train_tag_lists)
    dev_word_lists, dev_tag_lists = prepocess_data_for_lstmcrf(
        dev_word_lists, dev_tag_lists)
    test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
        test_word_lists, test_tag_lists, test=True)

    mode = 'train'
    if mode == 'train':
        # # 训练评估hmm模型
        # print("正在训练评估HMM模型...")
        # hmm_pred = hmm_train_eval(
        #     (train_word_lists, train_tag_lists),
        #     (test_word_lists, test_tag_lists),
        #     word2id,
        #     tag2id
        # )

        # # 训练评估CRF模型
        # print("正在训练评估CRF模型...")
        # crf_pred = crf_train_eval(
        #     (train_word_lists, train_tag_lists),
        #     (test_word_lists, test_tag_lists)
        # )

        # # 训练评估BI-LSTM模型
        # print("正在训练评估双向LSTM模型...")
        # # LSTM模型训练的时候需要在word2id和tag2id加入PAD和UNK
        # bilstm_word2id, bilstm_tag2id = extend_maps(word2id, tag2id, for_crf=False)
        # lstm_pred = bilstm_train_and_eval(
        #     (train_word_lists, train_tag_lists),
        #     (dev_word_lists, dev_tag_lists),
        #     (test_word_lists, test_tag_lists),
        #     bilstm_word2id, bilstm_tag2id,
        #     crf=False
        # )

        print("正在训练评估Bi-LSTM+CRF模型...")

        lstmcrf_pred = bilstm_train_and_eval(
            (train_word_lists, train_tag_lists),
            (dev_word_lists, dev_tag_lists), (test_word_lists, test_tag_lists),
            crf_word2id, crf_tag2id)
    elif mode == 'generate':
        lstmcrf_pred = bilstm_eval((test_word_lists, test_tag_lists),
                                   crf_word2id, crf_tag2id)
        print(lstmcrf_pred)
Ejemplo n.º 2
0
def run_lstm_crf(train=True):
    train_word_lists, train_tag_lists = build_corpus("train")
    dev_word_lists, dev_tag_lists = build_corpus("dev")
    test_word_lists, test_tag_lists = build_corpus("test")
    word2id, tag2id = build_vocab(train_word_lists, train_tag_lists)

    # 如果是加了CRF的lstm还要加入<start>和<end> (解码的时候需要用到)
    crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
    # 还需要额外的一些数据处理
    train_word_lists, train_tag_lists = prepocess_data_for_lstmcrf(
        train_word_lists, train_tag_lists)
    dev_word_lists, dev_tag_lists = prepocess_data_for_lstmcrf(
        dev_word_lists, dev_tag_lists)
    test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
        test_word_lists, test_tag_lists, test=True)

    if train:
        print("正在训练Bi-LSTM+CRF模型...")
        bilstm_crf_train((train_word_lists, train_tag_lists),
                         (dev_word_lists, dev_tag_lists), crf_word2id,
                         crf_tag2id)
    print("正在评估Bi-LSTM+CRF模型...")
    pred = bilstm_crf_eval((test_word_lists, test_tag_lists), crf_word2id,
                           crf_tag2id)
    return pred
Ejemplo n.º 3
0
def main():

    parser = argparse.ArgumentParser()
    parser.add_argument("--model",
                        default="BILSTM",
                        help="model in [HMM,CRF,BILSTM,BILSTM-CRF,ENSEMBLE]",
                        type=str)

    params = vars(parser.parse_args())
    """训练模型,评估结果"""

    # 读取数据
    print("读取数据...")
    train_word_lists, train_tag_lists, word2id, tag2id = build_corpus("train")
    dev_word_lists, dev_tag_lists = build_corpus("dev", make_vocab=False)
    test_word_lists, test_tag_lists = build_corpus("test", make_vocab=False)

    if params["model"] == "HMM":
        # 训练评估HMM模型
        print("正在训练评估HMM模型...")
        hmm_pred = hmm_train_eval((train_word_lists, train_tag_lists),
                                  (test_word_lists, test_tag_lists), word2id,
                                  tag2id)
    elif params["model"] == "CRF":
        # 训练评估CRF模型
        print("正在训练评估CRF模型...")
        crf_pred = crf_train_eval((train_word_lists, train_tag_lists),
                                  (test_word_lists, test_tag_lists))
    elif params["model"] == "BILSTM":
        # 训练评估BI-LSTM模型
        print("正在训练评估BI-LSTM模型...")
        # LSTM模型训练的时候需要在word2id和tag2id加入PAD和UNK
        bilstm_word2id, bilstm_tag2id = extend_maps(word2id,
                                                    tag2id,
                                                    for_crf=False)
        lstm_pred = bilstm_train_and_eval((train_word_lists, train_tag_lists),
                                          (dev_word_lists, dev_tag_lists),
                                          (test_word_lists, test_tag_lists),
                                          bilstm_word2id,
                                          bilstm_tag2id,
                                          crf=False)
    elif params["model"] == "BILSTM-CRF":
        print("正在训练评估Bi-LSTM+CRF模型...")
        # 如果是加了CRF的lstm还要加入<start>和<end> (解码的时候需要用到)
        crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
        # 还需要额外的一些数据处理
        train_word_lists, train_tag_lists = prepocess_data_for_lstmcrf(
            train_word_lists, train_tag_lists)
        dev_word_lists, dev_tag_lists = prepocess_data_for_lstmcrf(
            dev_word_lists, dev_tag_lists)
        test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
            test_word_lists, test_tag_lists, test=True)
        lstmcrf_pred = bilstm_train_and_eval(
            (train_word_lists, train_tag_lists),
            (dev_word_lists, dev_tag_lists), (test_word_lists, test_tag_lists),
            crf_word2id, crf_tag2id)
    elif params["model"] == "ENSEMBLE":
        # 模型集成
        print()
Ejemplo n.º 4
0
def main():
    """训练模型,评估结果"""

    # 读取数据
    print("读取数据...")
    data_folder = "./data123"
    train_word_lists, train_tag_lists, word2id, tag2id = \
        build_corpus("train", data_dir=data_folder)
    dev_word_lists, dev_tag_lists = build_corpus("dev",
                                                 make_vocab=False,
                                                 data_dir=data_folder)
    test_word_lists, test_tag_lists = build_corpus("test",
                                                   make_vocab=False,
                                                   data_dir=data_folder)

    # 训练评估hmm模型
    print("正在训练评估HMM模型...")
    hmm_pred = hmm_train_eval((train_word_lists, train_tag_lists),
                              (test_word_lists, test_tag_lists), word2id,
                              tag2id)

    # 训练评估CRF模型
    print("正在训练评估CRF模型...")
    crf_pred = crf_train_eval((train_word_lists, train_tag_lists),
                              (test_word_lists, test_tag_lists))

    # 训练评估BI-LSTM模型
    print("正在训练评估双向LSTM模型...")
    # LSTM模型训练的时候需要在word2id和tag2id加入PAD和UNK
    bilstm_word2id, bilstm_tag2id = extend_maps(word2id, tag2id, for_crf=False)
    lstm_pred = bilstm_train_and_eval((train_word_lists, train_tag_lists),
                                      (dev_word_lists, dev_tag_lists),
                                      (test_word_lists, test_tag_lists),
                                      bilstm_word2id,
                                      bilstm_tag2id,
                                      crf=False)

    print("正在训练评估Bi-LSTM+CRF模型...")
    # 如果是加了CRF的lstm还要加入<start>和<end> (解码的时候需要用到)
    crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
    # 还需要额外的一些数据处理
    train_word_lists, train_tag_lists = prepocess_data_for_lstmcrf(
        train_word_lists, train_tag_lists)
    dev_word_lists, dev_tag_lists = prepocess_data_for_lstmcrf(
        dev_word_lists, dev_tag_lists)
    test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
        test_word_lists, test_tag_lists, test=True)
    lstmcrf_pred = bilstm_train_and_eval(
        (train_word_lists, train_tag_lists), (dev_word_lists, dev_tag_lists),
        (test_word_lists, test_tag_lists), crf_word2id, crf_tag2id)

    ensemble_evaluate([hmm_pred, crf_pred, lstm_pred, lstmcrf_pred],
                      test_tag_lists)
Ejemplo n.º 5
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def main():
    """模型训练与评估"""

    # 读取数据
    print("读取数据中...")
    train_word_lists, train_tag_lists, word2id, tag2id = build_corpus("train")
    dev_word_lists, dev_tag_lists = build_corpus("dev", make_vocab=False)
    test_word_lists, test_tag_lists = build_corpus("test", make_vocab=False)

    #训练并评估hmm模型
    print("正在训练评估HMM模型")
    hmm_pred = hmm_train_eval((train_word_lists, train_tag_lists),
                              (test_word_lists, test_tag_lists), word2id,
                              tag2id)

    # 训练并评估crf模型
    crf_pred = crf_train_eval((train_word_lists, train_tag_lists),
                              (test_word_lists, test_tag_lists))

    #训练并评估bilstm模型
    bilstm_word2id, bilstm_tag2id = extend_maps(word2id, tag2id, for_crf=False)
    lstm_pred = bilstm_train_and_eval((train_word_lists, train_tag_lists),
                                      (dev_word_lists, dev_tag_lists),
                                      (test_word_lists, test_tag_lists),
                                      bilstm_word2id,
                                      bilstm_tag2id,
                                      crf=False)

    print("正在训练评估Bi-LSTM+CRF模型...")
    # 如果是加了CRF的lstm还要加入<start>和<end> (解码的时候需要用到)
    crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
    print(' '.join([i[0] for i in crf_tag2id.items()]))
    # 还需要额外的一些数据处理
    train_word_lists, train_tag_lists = prepocess_data_for_lstmcrf(
        train_word_lists, train_tag_lists)
    dev_word_lists, dev_tag_lists = prepocess_data_for_lstmcrf(
        dev_word_lists, dev_tag_lists)
    test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
        test_word_lists, test_tag_lists, test=True)
    lstmcrf_pred = bilstm_train_and_eval(
        (train_word_lists, train_tag_lists), (dev_word_lists, dev_tag_lists),
        (test_word_lists, test_tag_lists), crf_word2id, crf_tag2id)

    ensemble_evaluate([hmm_pred, crf_pred, lstm_pred, lstmcrf_pred],
                      test_tag_lists)
Ejemplo n.º 6
0
def main():
    print("读取数据...")
    train_word_lists, train_tag_lists, word2id, tag2id = \
        build_corpus("train")
    dev_word_lists, dev_tag_lists = build_corpus("dev", make_vocab=False)
    test_word_lists, test_tag_lists = build_corpus("test", make_vocab=False)
    dev_word_lists_, dev_word_lists_raw, article_id = loadDevFile("development_2.txt")

    print("加载并评估hmm模型...")
    hmm_model = load_model(HMM_MODEL_PATH)
    #hmm_pred = hmm_model.test(test_word_lists,
                              # word2id,
                              # tag2id)
    hmm_pred_dev = hmm_model.test(dev_word_lists_,
                              word2id,
                              tag2id)
    output_pred(hmm_pred_dev, article_id, dev_word_lists_raw)
    metrics = Metrics(test_tag_lists, hmm_pred, remove_O=REMOVE_O)
    metrics.report_scores()  # 打印每个标记的精确度、召回率、f1分数
    metrics.report_confusion_matrix()  # 打印混淆矩阵

    # 加载并评估CRF模型
    print("加载并评估crf模型...")
    crf_model = load_model(CRF_MODEL_PATH)
    crf_pred = crf_model.test(test_word_lists)
    metrics = Metrics(test_tag_lists, crf_pred, remove_O=REMOVE_O)
    metrics.report_scores()
    metrics.report_confusion_matrix()

    # bilstm模型
    print("加载并评估bilstm模型...")
    bilstm_word2id, bilstm_tag2id = extend_maps(word2id, tag2id, for_crf=False)
    bilstm_model = load_model(BiLSTM_MODEL_PATH)
    bilstm_model.model.bilstm.flatten_parameters()  # remove warning
    lstm_pred, target_tag_list = bilstm_model.test(test_word_lists, test_tag_lists,
                                                   bilstm_word2id, bilstm_tag2id)
    metrics = Metrics(target_tag_list, lstm_pred, remove_O=REMOVE_O)
    metrics.report_scores()
    metrics.report_confusion_matrix()

    print("加载并评估bilstm+crf模型...")
    crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
    bilstm_model = load_model(BiLSTMCRF_MODEL_PATH)
    bilstm_model.model.bilstm.bilstm.flatten_parameters()  # remove warning
    test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
        test_word_lists, test_tag_lists, test=True
    )
    lstmcrf_pred, target_tag_list = bilstm_model.test(test_word_lists, test_tag_lists,
                                                      crf_word2id, crf_tag2id)
    metrics = Metrics(target_tag_list, lstmcrf_pred, remove_O=REMOVE_O)
    metrics.report_scores()
    metrics.report_confusion_matrix()

    ensemble_evaluate(
        [hmm_pred, crf_pred, lstm_pred, lstmcrf_pred],
        test_tag_lists
    )
Ejemplo n.º 7
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def main():
    print("读取数据...")
    train_word_lists, train_tag_lists, word2id, tag2id = \
        build_corpus("train")
    # dev_word_lists, dev_tag_lists = build_corpus("dev", make_vocab=False)
    # test_word_lists, test_tag_lists = build_corpus("test", make_vocab=False)
    test_word_lists, test_tag_lists = build_corpus("train", make_vocab=False)

    # print("加载并评估hmm模型...")
    # hmm_model = load_model(HMM_MODEL_PATH)
    # hmm_pred = hmm_model.test(test_word_lists,
    #                           word2id,
    #                           tag2id)
    # metrics = Metrics(test_tag_lists, hmm_pred, remove_O=REMOVE_O)
    # metrics.report_scores()  # 打印每个标记的精确度、召回率、f1分数
    # metrics.report_confusion_matrix()  # 打印混淆矩阵

    # 加载并评估CRF模型
    # print("加载并评估crf模型...")
    # crf_model = load_model(CRF_MODEL_PATH)
    # crf_pred = crf_model.test(test_word_lists)
    # metrics = Metrics(test_tag_lists, crf_pred, remove_O=REMOVE_O)
    # metrics.report_scores()
    # metrics.report_confusion_matrix()

    # bilstm模型
    # print("加载并评估bilstm模型...")
    # bilstm_word2id, bilstm_tag2id = extend_maps(word2id, tag2id, for_crf=False)
    # bilstm_model = load_model(BiLSTM_MODEL_PATH)
    # bilstm_model.model.bilstm.flatten_parameters()  # remove warning
    # lstm_pred, target_tag_list = bilstm_model.test(test_word_lists, test_tag_lists,
    #                                                bilstm_word2id, bilstm_tag2id)
    # metrics = Metrics(target_tag_list, lstm_pred, remove_O=REMOVE_O)
    # metrics.report_scores()
    # metrics.report_confusion_matrix()

    print("加载并评估bilstm+crf模型...")
    crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
    bilstm_model = load_model(BiLSTMCRF_MODEL_PATH)
    bilstm_model.model.bilstm.bilstm.flatten_parameters()  # remove warning
    test_word_lists = test_word_lists[:10]
    test_tag_lists = test_tag_lists[:10]
    test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
        test_word_lists, test_tag_lists, test=True)
    lstmcrf_pred, target_tag_list = bilstm_model.test(test_word_lists,
                                                      test_tag_lists,
                                                      crf_word2id, crf_tag2id)

    print(target_tag_list)
    print(lstmcrf_pred)

    metrics = Metrics(target_tag_list, lstmcrf_pred, remove_O=REMOVE_O)
    metrics.report_scores()
    metrics.report_confusion_matrix()
def main():
    print("Read data...")
    train_word_lists, train_tag_lists, word2id, tag2id = \
        build_corpus("train")
    dev_word_lists, dev_tag_lists = build_corpus("dev", make_vocab=False)
    test_word_lists, test_tag_lists = build_corpus("test", make_vocab=False)

    print("Load and evaluate the hmm model...")
    hmm_model = load_model(HMM_MODEL_PATH)
    hmm_pred = hmm_model.test(test_word_lists, word2id, tag2id)
    metrics = Metrics(test_tag_lists, hmm_pred, remove_O=REMOVE_O)
    metrics.report_scores(
    )  # Print the accuracy of each mark, recall rate, f1 score
    metrics.report_confusion_matrix()  #Print confusion matrix

    # Load and evaluate the CRF model
    print("Load and evaluate the crf model...")
    crf_model = load_model(CRF_MODEL_PATH)
    crf_pred = crf_model.test(test_word_lists)
    metrics = Metrics(test_tag_lists, crf_pred, remove_O=REMOVE_O)
    metrics.report_scores()
    metrics.report_confusion_matrix()

    # bilstm Model
    print("Load and evaluate the bilstm model...")
    bilstm_word2id, bilstm_tag2id = extend_maps(word2id, tag2id, for_crf=False)
    bilstm_model = load_model(BiLSTM_MODEL_PATH)
    bilstm_model.model.bilstm.flatten_parameters()  # remove warning
    lstm_pred, target_tag_list = bilstm_model.test(test_word_lists,
                                                   test_tag_lists,
                                                   bilstm_word2id,
                                                   bilstm_tag2id)
    metrics = Metrics(target_tag_list, lstm_pred, remove_O=REMOVE_O)
    metrics.report_scores()
    metrics.report_confusion_matrix()

    print("Load and evaluate the bilstm+crf model...")
    crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
    bilstm_model = load_model(BiLSTMCRF_MODEL_PATH)
    bilstm_model.model.bilstm.bilstm.flatten_parameters()  # remove warning
    test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
        test_word_lists, test_tag_lists, test=True)
    lstmcrf_pred, target_tag_list = bilstm_model.test(test_word_lists,
                                                      test_tag_lists,
                                                      crf_word2id, crf_tag2id)
    metrics = Metrics(target_tag_list, lstmcrf_pred, remove_O=REMOVE_O)
    metrics.report_scores()
    metrics.report_confusion_matrix()

    ensemble_evaluate([hmm_pred, crf_pred, lstm_pred, lstmcrf_pred],
                      test_tag_lists)
Ejemplo n.º 9
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def decode(input_status, output_file):
    print("读取数据...")
    train_word_lists, train_tag_lists, word2id1, tag2id = build_corpus(
        "train", make_vocab=True)
    decode_word_lists, decode_tag_lists, word2id2, tag2id1 = build_corpus(
        input_status, make_vocab=True)

    lists = train_word_lists + decode_word_lists
    word2id = build_map(lists)

    print("加载并评估hmm模型...")
    hmm_model = load_model(HMM_MODEL_PATH)
    hmm_pred = hmm_model.test(decode_word_lists, word2id, tag2id)

    print("加载并评估crf模型...")
    crf_model = load_model(CRF_MODEL_PATH)
    crf_pred = crf_model.test(decode_word_lists)

    print("加载并评估bilstm模型...")
    bilstm_word2id, bilstm_tag2id = extend_maps(word2id, tag2id, for_crf=False)
    bilstm_model = load_model(BiLSTM_MODEL_PATH)
    bilstm_model.model.bilstm.flatten_parameters()  # remove warning
    lstm_pred, target_tag_list = bilstm_model.test(decode_word_lists,
                                                   decode_tag_lists,
                                                   bilstm_word2id,
                                                   bilstm_tag2id)

    print("加载并评估bilstm+crf模型...")
    crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
    bilstm_model = load_model(BiLSTMCRF_MODEL_PATH)
    bilstm_model.model.bilstm.bilstm.flatten_parameters()  # remove warning
    decode_word_lists, decode_tag_lists = prepocess_data_for_lstmcrf(
        decode_word_lists, decode_tag_lists, test=True)
    lstmcrf_pred, target_tag_list = bilstm_model.test(decode_word_lists,
                                                      decode_tag_lists,
                                                      crf_word2id, crf_tag2id)

    print("加载并评估lattice lstm模型...")
    latticelstm_pred = run(status='decode')

    print("加载并评估ensemble模型...")
    predict_results = ensemble_evaluate(hmm_pred,
                                        crf_pred,
                                        lstm_pred,
                                        lstmcrf_pred,
                                        latticelstm_pred,
                                        decode_tag_lists,
                                        status='decode')

    print("输出解码结果...")
    write_decoded_results(output_file, predict_results, decode_word_lists)
Ejemplo n.º 10
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def main(corpus_dir, test_file):
    # 读取数据
    # print("读取数据...")
    train_word_lists, train_tag_lists, word2id, tag2id = \
        build_corpus("train", data_dir=corpus_dir)
    test_word_lists, test_tag_lists = build_corpus_test(test_file)
    # print(test_word_lists, test_tag_lists)

    # print("加载并评估bilstm+crf模型...")
    crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
    bilstm_model = load_model(BiLSTMCRF_MODEL_PATH)
    bilstm_model.model.bilstm.bilstm.flatten_parameters()  # remove warning
    test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
        test_word_lists, test_tag_lists, test=True)
    lstmcrf_pred, target_tag_list = bilstm_model.test(test_word_lists,
                                                      test_tag_lists,
                                                      crf_word2id, crf_tag2id)
    for i in range(len(lstmcrf_pred)):
        for j in range(len(lstmcrf_pred[i])):
            print(test_word_lists[i][j] + "\t" + lstmcrf_pred[i][j])
        print()
Ejemplo n.º 11
0
    build_corpus("train")

print("加载并评估bilstm+crf模型...")
crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
bilstm_model = load_model(BiLSTMCRF_MODEL_PATH)
bilstm_model.model.bilstm.bilstm.flatten_parameters()  # remove warning

for item in glob.glob("data/chusai_xuanshou/" + "*.txt"):
    with open(item, encoding="utf-8") as f:
        origin_text = "".join(f.readlines())
        test_word_list = list(origin_text)
        test_word_lists = [test_word_list]
        test_tag_list = ["N" for _ in test_word_list]
        test_tag_lists = [test_tag_list]
        test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
            test_word_lists, test_tag_lists, test=True
        )
        lstmcrf_pred = bilstm_model.testA(test_word_lists,
                                          crf_word2id, crf_tag2id)
        print(test_word_list)
        print(lstmcrf_pred)

        with open(item.replace("txt", "ann"), 'w', encoding='utf-8') as ann_f:
            flag = False
            counter = 0
            word = ""
            start = 0
            end = 0
            for idx, tag in enumerate(lstmcrf_pred[0]):
                if tag != "O":
                    if not flag:
Ejemplo n.º 12
0
def main(args):
    """训练模型,评估结果"""

    output_directory = os.path.join('ckpts', args.name)

    if not os.path.isdir(output_directory):
        os.makedirs(output_directory)
        os.chmod(output_directory, 0o775)
    shutil.copy2('models/config.py', output_directory)

    # 读取数据
    print("读取数据...")
    train_word_lists, train_tag_lists, word2id, tag2id = build_corpus("train", fix_length=-1)
    dev_word_lists, dev_tag_lists = build_corpus("dev", make_vocab=False)
    test_word_lists, test_tag_lists = build_corpus("test", make_vocab=False)

    # 训练评估HMM模型
    print("正在训练评估HMM模型...")
    hmm_pred = hmm_train_eval(
        (train_word_lists, train_tag_lists),
        (test_word_lists, test_tag_lists),
        word2id,
        tag2id,
        output_directory
    )

    # 训练评估CRF模型
    print("正在训练评估CRF模型...")
    crf_pred = crf_train_eval(
        (train_word_lists, train_tag_lists),
        (test_word_lists, test_tag_lists),
        output_directory
    )

    # 训练评估BI-LSTM模型
    print("正在训练评估双向LSTM模型...")
    # LSTM模型训练的时候需要在word2id和tag2id加入PAD和UNK
    bilstm_word2id, bilstm_tag2id = extend_maps(word2id, tag2id, for_crf=False)
    lstm_pred = bilstm_train_and_eval(
        (train_word_lists, train_tag_lists),
        (dev_word_lists, dev_tag_lists),
        (test_word_lists, test_tag_lists),
        bilstm_word2id, bilstm_tag2id,
        output_directory,
        crf=False
    )

    print("正在训练评估Bi-LSTM+CRF模型...")
    # 如果是加了CRF的lstm还要加入<start>和<end> (解码的时候需要用到)
    crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
    # 还需要额外的一些数据处理
    train_word_lists, train_tag_lists = prepocess_data_for_lstmcrf(
        train_word_lists, train_tag_lists
    )
    dev_word_lists, dev_tag_lists = prepocess_data_for_lstmcrf(
        dev_word_lists, dev_tag_lists
    )
    test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
        test_word_lists, test_tag_lists, test=True
    )
    lstmcrf_pred = bilstm_train_and_eval(
        (train_word_lists, train_tag_lists),
        (dev_word_lists, dev_tag_lists),
        (test_word_lists, test_tag_lists),
        crf_word2id, crf_tag2id,
        output_directory
    )

    ensemble_evaluate(
        [hmm_pred, crf_pred, lstm_pred, lstmcrf_pred],
        test_tag_lists
    )
Ejemplo n.º 13
0
def main():
    """训练模型,评估结果"""

    # 读取数据
    print("读取数据...")
    # train_word_lists, train_tag_lists, word2id, tag2id = \
    #     build_corpus("train")
    # dev_word_lists, dev_tag_lists = build_corpus("dev", make_vocab=False)
    # test_word_lists, test_tag_lists = build_corpus("test", make_vocab=False)

    # 训练评估hmm模型
    # print("正在训练评估HMM模型...")
    with open('corpus_word2id', 'rb') as f:
        word2id = pickle.load(f)
    with open('tag2id', 'rb') as f:
        tag2id = pickle.load(f)
    # print('word2id',word2id)
    # print('tag2id',tag2id)
    train_word_lists = []
    train_tag_lists = []
    f = open('normal_daguan_train.txt')
    datas = f.readlines()
    f.close()
    for data in datas:
        temps = data.strip().split('|||')
        words = temps[0]
        tags = temps[1]
        train_word_lists.append(words.split(' '))
        train_tag_lists.append(tags.split(' '))
    test_word_lists = []
    test_tag_lists = []
    f = open('normal_daguan_test.txt')
    datas = f.readlines()
    f.close()
    for data in datas:
        words = data.strip()
        test_word_lists.append(words.split(' '))
        test_tag_lists.append([None for i in range(len(words))])
    '''前3000数据集划分'''
    dev_word_lists = train_word_lists[:1500]
    dev_tag_lists = train_tag_lists[:1500]
    # test_word_lists = train_word_lists[1500:3000]
    # test_tag_lists = train_tag_lists[1500:3000]
    train_word_lists = train_word_lists[1500:]
    train_tag_lists = train_tag_lists[1500:]
    '''后3000数据集划分'''
    # dev_word_lists = train_word_lists[-3000:-1500]
    # dev_tag_lists = train_tag_lists[-3000:-1500]
    # test_word_lists = train_word_lists[-1500:]
    # test_tag_lists = train_tag_lists[-1500:]
    # train_word_lists = train_word_lists[:-3000]
    # train_tag_lists = train_tag_lists[:-3000]
    # print(train_word_lists[0])
    # print(train_tag_lists[0])
    # print(test_word_lists[0])
    # print(len(train_tag_lists)
    #
    print("正在训练评估Bi-LSTM+CRF模型...")
    # 如果是加了CRF的lstm还要加入<start>和<end> (解码的时候需要用到)
    crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
    # 还需要额外的一些数据处理
    train_word_lists, train_tag_lists = prepocess_data_for_lstmcrf(
        train_word_lists, train_tag_lists)

    dev_word_lists, dev_tag_lists = prepocess_data_for_lstmcrf(
        dev_word_lists,
        dev_tag_lists,
    )
    test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
        test_word_lists,
        test_tag_lists,
    )
    model = Word2Vec.load('charEmbedding_300dim')
    weights = np.zeros(shape=(len(crf_word2id), 300))
    for word in word2id.keys():
        if word in model.wv.vocab:
            weights[word2id[word]] = model[word]
        else:
            weights[word2id[word]] = np.random.uniform(-0.1, 0.1, size=(300, ))
    lstmcrf_pred = bilstm_train_and_eval(
        (train_word_lists, train_tag_lists),
        (dev_word_lists, dev_tag_lists),
        (test_word_lists, test_tag_lists),
        # (dev_word_lists, dev_tag_lists),
        weights,
        crf_word2id,
        crf_tag2id)
def main():
    """训练模型,评估结果"""

    # 读取数据
    print("读取数据...")
    train_word_lists, train_tag_lists, word2id, tag2id = build_corpus("train")
    dev_word_lists, dev_tag_lists = build_corpus("dev", make_vocab=False)
    #test_word_lists, test_tag_lists = build_corpus("test", make_vocab=False)
    test_word_lists, test_tag_lists, article_id = loadDevFile(
        "development_2.txt")

    # # 训练评估hmm模型
    # # print("正在训练评估HMM模型...")
    # # hmm_pred = hmm_train_eval(
    # #     (train_word_lists, train_tag_lists),
    # #     (dev_word_lists_, test_tag_lists),
    # #     word2id,
    # #     tag2id,
    # #     remove_O=True
    # # )

    # # output_pred(hmm_pred, article_id, dev_word_lists_raw)

    # # 训练评估CRF模型
    # print("正在训练评估CRF模型...")
    # crf_pred = crf_train_eval(
    #     (train_word_lists, train_tag_lists),
    #     (dev_word_lists_, test_tag_lists),
    #     remove_O=True
    # )
    # output_pred(crf_pred, article_id, dev_word_lists_raw,output_path = 'output_crf.tsv')

    # 训练评估BI-LSTM模型
    print("正在训练评估双向LSTM模型...")
    # LSTM模型训练的时候需要在word2id和tag2id加入PAD和UNK
    bilstm_word2id, bilstm_tag2id = extend_maps(word2id, tag2id, for_crf=False)
    lstm_pred = bilstm_train_and_eval((train_word_lists, train_tag_lists),
                                      (dev_word_lists, dev_tag_lists),
                                      (test_word_lists, test_tag_lists),
                                      bilstm_word2id,
                                      bilstm_tag2id,
                                      crf=False,
                                      remove_O=True)

    print("正在训练评估Bi-LSTM+CRF模型...")
    # 如果是加了CRF的lstm还要加入<start>和<end> (解码的时候需要用到)
    crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
    # 还需要额外的一些数据处理
    train_word_lists, train_tag_lists = prepocess_data_for_lstmcrf(
        train_word_lists, train_tag_lists)
    dev_word_lists, dev_tag_lists = prepocess_data_for_lstmcrf(
        dev_word_lists, dev_tag_lists)
    test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
        test_word_lists, test_tag_lists, test=True)
    lstmcrf_pred = bilstm_train_and_eval((train_word_lists, train_tag_lists),
                                         (dev_word_lists, dev_tag_lists),
                                         (test_word_lists, test_tag_lists),
                                         crf_word2id,
                                         crf_tag2id,
                                         remove_O=True)

    ensemble_evaluate([hmm_pred, crf_pred, lstm_pred, lstmcrf_pred],
                      test_tag_lists)
Ejemplo n.º 15
0
def main():
    print("读取数据...")
    train_word_lists, train_tag_lists, word2id, tag2id = \
        build_corpus("train")
    dev_word_lists, dev_tag_lists = build_corpus("dev", make_vocab=False)
    test_word_lists, test_tag_lists = build_corpus("test", make_vocab=False)

    # print("加载并评估hmm模型...")
    # hmm_model = load_model(HMM_MODEL_PATH)
    # hmm_pred = hmm_model.test(test_word_lists,
    #                           word2id,
    #                           tag2id)
    # metrics = Metrics(test_tag_lists, hmm_pred, remove_O=REMOVE_O)
    # metrics.report_scores()  # 打印每个标记的精确度、召回率、f1分数
    # metrics.report_confusion_matrix()  # 打印混淆矩阵
    #
    # # 加载并评估CRF模型
    # print("加载并评估crf模型...")
    # crf_model = load_model(CRF_MODEL_PATH)
    # crf_pred = crf_model.test(test_word_lists)
    # metrics = Metrics(test_tag_lists, crf_pred, remove_O=REMOVE_O)
    # metrics.report_scores()
    # metrics.report_confusion_matrix()
    #
    # # bilstm模型
    # print("加载并评估bilstm模型...")
    # bilstm_word2id, bilstm_tag2id = extend_maps(word2id, tag2id, for_crf=False)
    # bilstm_model = load_model(BiLSTM_MODEL_PATH)
    # bilstm_model.model.bilstm.flatten_parameters()  # remove warning
    # lstm_pred, target_tag_list = bilstm_model.test(test_word_lists, test_tag_lists,
    #                                                bilstm_word2id, bilstm_tag2id)
    # metrics = Metrics(target_tag_list, lstm_pred, remove_O=REMOVE_O)
    # metrics.report_scores()
    # metrics.report_confusion_matrix()

    print("加载并评估bilstm+crf模型...")
    crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
    bilstm_model = load_model(BiLSTMCRF_MODEL_PATH)
    bilstm_model.model.bilstm.bilstm.flatten_parameters()  # remove warning
    test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
        test_word_lists, test_tag_lists, test=True)

    lstmcrf_pred, target_tag_list = bilstm_model.test(test_word_lists,
                                                      test_tag_lists,
                                                      crf_word2id, crf_tag2id)
    metrics = Metrics(target_tag_list, lstmcrf_pred, remove_O=REMOVE_O)
    metrics.report_scores()
    metrics.report_confusion_matrix()

    # ensemble_evaluate(
    #     [hmm_pred, crf_pred, lstm_pred, lstmcrf_pred],
    #     test_tag_lists
    # )

    ls = ['B-SYM', 'M-SYM', 'E-SYM']

    selected = [
        i for i in range(len(test_tag_lists[0])) if test_tag_lists[0][i] in ls
    ]
    selected_word = [test_word_lists[0][i] for i in selected]
    selected_predict = [
        i for i in range(len(lstmcrf_pred[0])) if lstmcrf_pred[0][i] in ls
    ]
    selected_predict_word = [test_word_lists[0][i] for i in selected_predict]

    for tag_list, doc in zip(train_tag_lists, train_word_lists):
        selected_train = [i for i in range(len(tag_list)) if tag_list[i] in ls]
        selected_train_word = [doc[i] for i in selected_train]
        # print(selected_train_word)

    print('preditct list:', lstmcrf_pred)
    print('target list:', target_tag_list)
    print(selected_word)
    print(selected_predict_word)
Ejemplo n.º 16
0
def main_rep1(x, y):

    if x == 'train':
        # select data according to args.process
        print("Read data...")
        train_word_lists, train_tag_lists, word2id, tag2id = \
        build_corpus("train")
        dev_word_lists, dev_tag_lists = build_corpus("dev", make_vocab=False)
        test_word_lists, test_tag_lists = build_corpus("test",
                                                       make_vocab=False)
        ######

        if y == 'crf':
            crf_pred = crf_train_eval((train_word_lists, train_tag_lists),
                                      (test_word_lists, test_tag_lists))
            ensemble_evaluate([crf_pred], test_tag_lists)
        elif y == 'bilstm':
            bilstm_word2id, bilstm_tag2id = extend_maps(word2id,
                                                        tag2id,
                                                        for_crf=False)
            lstm_pred = bilstm_train_and_eval(
                (train_word_lists, train_tag_lists),
                (dev_word_lists, dev_tag_lists),
                (test_word_lists, test_tag_lists),
                bilstm_word2id,
                bilstm_tag2id,
                crf=False)
            ensemble_evaluate([lstm_pred], test_tag_lists)

        elif y == 'bilstm-crf':
            crf_word2id, crf_tag2id = extend_maps(word2id,
                                                  tag2id,
                                                  for_crf=True)
            # more data processing
            train_word_lists, train_tag_lists = prepocess_data_for_lstmcrf(
                train_word_lists, train_tag_lists)
            dev_word_lists, dev_tag_lists = prepocess_data_for_lstmcrf(
                dev_word_lists, dev_tag_lists)
            test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
                test_word_lists, test_tag_lists, test=True)
            lstmcrf_pred = bilstm_train_and_eval(
                (train_word_lists, train_tag_lists),
                (dev_word_lists, dev_tag_lists),
                (test_word_lists, test_tag_lists), crf_word2id, crf_tag2id)
            ensemble_evaluate([lstmcrf_pred], test_tag_lists)

    else:

        HMM_MODEL_PATH = './ckpts/hmm.pkl'
        CRF_MODEL_PATH = './ckpts/crf.pkl'
        BiLSTM_MODEL_PATH = './ckpts/bilstm.pkl'
        BiLSTMCRF_MODEL_PATH = './ckpts/bilstm_crf.pkl'

        REMOVE_O = False  # Whether to remove the O mark at the time of evaluation

        # select data according to args.process
        print("Read data...")
        train_word_lists, train_tag_lists, word2id, tag2id = \
            build_corpus("train")
        dev_word_lists, dev_tag_lists = build_corpus("dev", make_vocab=False)
        test_word_lists, test_tag_lists = build_corpus("test",
                                                       make_vocab=False)

        if y == 'crf':
            crf_model = load_model_1(CRF_MODEL_PATH)
            crf_pred = crf_model.test(test_word_lists)
            metrics = Metrics(test_tag_lists, crf_pred, remove_O=REMOVE_O)
            metrics.report_scores()
            metrics.report_confusion_matrix()

        elif y == 'bilstm':
            bilstm_word2id, bilstm_tag2id = extend_maps(word2id,
                                                        tag2id,
                                                        for_crf=False)
            bilstm_model = load_model_1(BiLSTM_MODEL_PATH)
            bilstm_model.model.bilstm.flatten_parameters()  # remove warning
            lstm_pred, target_tag_list = bilstm_model.test(
                test_word_lists, test_tag_lists, bilstm_word2id, bilstm_tag2id)
            metrics = Metrics(target_tag_list, lstm_pred, remove_O=REMOVE_O)
            metrics.report_scores()
            metrics.report_confusion_matrix()

        elif y == 'bilstm-crf':
            crf_word2id, crf_tag2id = extend_maps(word2id,
                                                  tag2id,
                                                  for_crf=True)
            bilstm_model = load_model_1(BiLSTMCRF_MODEL_PATH)
            bilstm_model.model.bilstm.bilstm.flatten_parameters(
            )  # remove warning
            test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
                test_word_lists, test_tag_lists, test=True)
            lstmcrf_pred, target_tag_list = bilstm_model.test(
                test_word_lists, test_tag_lists, crf_word2id, crf_tag2id)
            metrics = Metrics(target_tag_list, lstmcrf_pred, remove_O=REMOVE_O)
            metrics.report_scores()
            metrics.report_confusion_matrix()

    exit()
Ejemplo n.º 17
0
def main():
    import argparse
    parser = argparse.ArgumentParser(description='main.py')
    parser.add_argument('--hmm',
                        action='store_true',
                        default=False,
                        help='Test HMM')
    parser.add_argument('--crf',
                        action='store_true',
                        default=False,
                        help='Test CRF')
    parser.add_argument('--bilstm',
                        action='store_true',
                        default=False,
                        help='Test BiLSTM')
    parser.add_argument('--bilstm-crf',
                        action='store_true',
                        default=False,
                        help='Test BiLSTM-CRF')
    parser.add_argument('--cbow',
                        action='store_true',
                        default=False,
                        help='Use CBOW embedding for BiLSTM-CRF')
    args = parser.parse_args()

    print("读取数据...")
    train_word_lists, train_tag_lists, word2id, tag2id = \
        build_corpus("train")
    dev_word_lists, dev_tag_lists = build_corpus("dev", make_vocab=False)
    test_word_lists, test_tag_lists = build_corpus("test", make_vocab=False)

    if args.hmm:
        print("加载并评估hmm模型...")
        hmm_model = load_model(HMM_MODEL_PATH)
        hmm_pred = hmm_model.test(test_word_lists, word2id, tag2id)
        metrics = Metrics(test_tag_lists, hmm_pred, remove_O=REMOVE_O)
        metrics.report_scores()  # 打印每个标记的精确度、召回率、f1分数
        metrics.report_confusion_matrix()  # 打印混淆矩阵

    # 加载并评估CRF模型
    if args.crf:
        print("加载并评估crf模型...")
        crf_model = load_model(CRF_MODEL_PATH)
        crf_pred = crf_model.test(test_word_lists)
        metrics = Metrics(test_tag_lists, crf_pred, remove_O=REMOVE_O)
        metrics.report_scores()
        metrics.report_confusion_matrix()

    # bilstm模型
    if args.bilstm:
        print("加载并评估bilstm模型...")
        bilstm_word2id, bilstm_tag2id = extend_maps(word2id,
                                                    tag2id,
                                                    for_crf=False)
        bilstm_model = load_model(BiLSTM_MODEL_PATH)
        bilstm_model.model.bilstm.flatten_parameters()  # remove warning
        lstm_pred, target_tag_list = bilstm_model.test(test_word_lists,
                                                       test_tag_lists,
                                                       bilstm_word2id,
                                                       bilstm_tag2id)
        metrics = Metrics(target_tag_list, lstm_pred, remove_O=REMOVE_O)
        metrics.report_scores()
        metrics.report_confusion_matrix()

    if args.bilstm_crf:
        print("加载并评估bilstm+crf模型...")
        crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
        bilstm_model = load_model(BiLSTMCRF_MODEL_PATH)
        bilstm_model.model.bilstm.bilstm.flatten_parameters()  # remove warning
        test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
            test_word_lists, test_tag_lists, test=True)
        lstmcrf_pred, target_tag_list = bilstm_model.test(
            test_word_lists, test_tag_lists, crf_word2id, crf_tag2id)
        metrics = Metrics(target_tag_list, lstmcrf_pred, remove_O=REMOVE_O)
        metrics.report_scores()
        metrics.report_confusion_matrix()
Ejemplo n.º 18
0
def main():
    import argparse
    parser = argparse.ArgumentParser(description='main.py')
    parser.add_argument('--hmm',
                        action='store_true',
                        default=False,
                        help='Train HMM')
    parser.add_argument('--crf',
                        action='store_true',
                        default=False,
                        help='Train CRF')
    parser.add_argument('--bilstm',
                        action='store_true',
                        default=False,
                        help='Train BiLSTM')
    parser.add_argument('--bilstm-crf',
                        action='store_true',
                        default=False,
                        help='Train BiLSTM-CRF')
    parser.add_argument('--cbow',
                        action='store_true',
                        default=False,
                        help='Train or use CBOW embedding for BiLSTM-CRF')
    args = parser.parse_args()
    """训练模型,评估结果"""

    # 读取数据
    print("读取数据...")
    train_word_lists, train_tag_lists, word2id, tag2id = \
        build_corpus("train")
    dev_word_lists, dev_tag_lists = build_corpus("dev", make_vocab=False)
    test_word_lists, test_tag_lists = build_corpus("test", make_vocab=False)

    # 训练评估hmm模型
    if args.hmm:
        print("正在训练评估HMM模型...")
        hmm_pred = hmm_train_eval((train_word_lists, train_tag_lists),
                                  (test_word_lists, test_tag_lists), word2id,
                                  tag2id)

    # 训练评估CRF模型
    if args.crf:
        print("正在训练评估CRF模型...")
        crf_pred = crf_train_eval((train_word_lists, train_tag_lists),
                                  (test_word_lists, test_tag_lists))

    if args.bilstm:
        # 训练评估BI-LSTM模型
        print("正在训练评估双向LSTM模型...")
        # LSTM模型训练的时候需要在word2id和tag2id加入PAD和UNK
        bilstm_word2id, bilstm_tag2id = extend_maps(word2id,
                                                    tag2id,
                                                    for_crf=False)
        lstm_pred = bilstm_train_and_eval((train_word_lists, train_tag_lists),
                                          (dev_word_lists, dev_tag_lists),
                                          (test_word_lists, test_tag_lists),
                                          bilstm_word2id,
                                          bilstm_tag2id,
                                          crf=False)

    # 如果是加了CRF的lstm还要加入<start>和<end> (解码的时候需要用到)
    crf_word2id, crf_tag2id = extend_maps(word2id, tag2id, for_crf=True)
    # 还需要额外的一些数据处理
    train_word_lists, train_tag_lists = prepocess_data_for_lstmcrf(
        train_word_lists, train_tag_lists)
    dev_word_lists, dev_tag_lists = prepocess_data_for_lstmcrf(
        dev_word_lists, dev_tag_lists)
    test_word_lists, test_tag_lists = prepocess_data_for_lstmcrf(
        test_word_lists, test_tag_lists, test=True)

    if args.bilstm_crf:
        print("正在训练评估Bi-LSTM+CRF模型...")
        cbow_emb = None
        if args.cbow:
            print('Loading CBOW model')
            cbow_model = load_model('ckpts/cbow.pkl')
            cbow_emb = cbow_model.model.lookup_embedding()
            del cbow_model

        lstmcrf_pred = bilstm_train_and_eval(
            (train_word_lists, train_tag_lists),
            (dev_word_lists, dev_tag_lists), (test_word_lists, test_tag_lists),
            crf_word2id,
            crf_tag2id,
            cbow_emb=cbow_emb)

    elif args.cbow:
        print("正在训练CBOW模型...")
        cbow.CBOW_Model(len(crf_word2id)).train(train_word_lists, crf_word2id)