{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,7]],"date-time":"2026-02-07T19:07:49Z","timestamp":1770491269499,"version":"3.49.0"},"reference-count":15,"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>Aspect-based sentiment classification, a fine-grained sentiment analysis task, aims to predict the sentiment polarity for a specified aspect. However, the existing aspect-based sentiment classification approaches cannot fully model the dependency-relationship between words and are easily disturbed by irrelevant aspects. To address this problem, we propose a novel approach named Dependency-Relationship Embedding and Attention Mechanism-based LSTM. DA-LSTM first merges the word hidden vector output by LSTM with the dependency-relationship embedding to form a combined vector. This vector is then fed into the attention mechanism together with the aspect information which can avoid interference to calculate the final word representation for sentiment classification. Our extensive experiments on benchmark data sets clearly show the effectiveness of DA-LSTM.<\/jats:p>","DOI":"10.3233\/jifs-202747","type":"journal-article","created":{"date-parts":[[2021,7,20]],"date-time":"2021-07-20T12:52:06Z","timestamp":1626785526000},"page":"867-877","source":"Crossref","is-referenced-by-count":4,"title":["Sentiment classification based on dependency-relationship embedding and\u00a0attention mechanism"],"prefix":"10.1177","volume":"41","author":[{"given":"Zhan","family":"Yang","sequence":"first","affiliation":[{"name":"College of Computer Science and Engineering, Shandong University of Science and Technology, Qingdao, China"}]},{"given":"Chengliang","family":"Li","sequence":"additional","affiliation":[{"name":"College of Computer Science and Engineering, Shandong University of Science and Technology, Qingdao, China"}]},{"given":"Zhongying","family":"Zhao","sequence":"additional","affiliation":[{"name":"College of Computer Science and Engineering, Shandong 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