{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,2]],"date-time":"2026-02-02T15:25:17Z","timestamp":1770045917804,"version":"3.49.0"},"reference-count":18,"publisher":"SAGE Publications","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IFS"],"published-print":{"date-parts":[[2021,8,11]]},"abstract":"<jats:p>Recently, deep learning methods have been applied to deal with the opinion target extraction (OTE) task with fruitful achievements. On the other hand, since the features captured by the embedding layer can make a multiple-perspective analysis from a sentence, an embedding layer that can grasp the high-level semantics of the sentences is of essence for processing the OTE task and can improve the performance of model into a more efficient manner. However, most of the existing studies focused on the network structure rather than the significant embedded layer, which may be the fundamental reason for the problem of relatively poor performance in this field, not mention the Chinese extraction model. To compensate these shortcomings, this paper proposes a model using multiple effective features and Bidirectional Encoder Representations from Transformers (BERT) on the architecture of Bidirectional Long Short-Term Memory (BiLSTM) and Conditional Random Field (CRF) for Chinese opinion target extraction task, namely MF-COTE, which can construct features from different perspectives to capture the context and local features of the sentences. Besides, to handle the difficult case of multiple nouns in one sentence, we innovatively propose noting words feature to regulate the model emphasize on the noun near the transition or contrast word, thus leading a better opinion target location. Moreover, to demonstrate the superiorities of the proposed model, extensive comparison experiments are systematically conducted compared with other existing state-of-the-art methods, with the F1-score of 90.76%, 92.10%, 89.63% on the Baidu, the Dianping, and the Mafengwo dataset, respectively.<\/jats:p>","DOI":"10.3233\/jifs-210440","type":"journal-article","created":{"date-parts":[[2021,5,5]],"date-time":"2021-05-05T04:53:52Z","timestamp":1620190432000},"page":"1611-1626","source":"Crossref","is-referenced-by-count":1,"title":["MF-COTE: A chinese opinion target extraction model based on multiple features"],"prefix":"10.1177","volume":"41","author":[{"given":"Xingyue","family":"Dang","sequence":"first","affiliation":[{"name":"School of Cyber Science and Engineering, Sichuan University, Chengdu, China"}]},{"given":"Shan","family":"Liao","sequence":"additional","affiliation":[{"name":"School of Cyber Science and Engineering, Sichuan University, Chengdu, China"}]},{"given":"Pengsen","family":"Cheng","sequence":"additional","affiliation":[{"name":"School of Cyber Science and Engineering, Sichuan University, Chengdu, China"}]},{"given":"Jiayong","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Cyber Science and Engineering, Sichuan University, Chengdu, China"}]}],"member":"179","reference":[{"key":"10.3233\/JIFS-210440_ref1","doi-asserted-by":"publisher","first-page":"40","DOI":"10.3390\/fi13020040","article-title":"An automatic generation approach of the cyber threat intelligence records based on multisource information fusion","volume":"13","author":"Sun","year":"2021","journal-title":"Future Internet"},{"issue":"14","key":"10.3233\/JIFS-210440_ref2","doi-asserted-by":"crossref","first-page":"3989","DOI":"10.3390\/s20143989","article-title":"Automatic detection of pornographic and gambling websites based on visual and textual content using a decision 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