Aspect-level sentiment analysis method and device, electronic equipment and storage medium

• Main Authors: JIAO XINTAO, ZHONG QINGHAO, QUE YONGJIE
• Format: Patent
• Language: Chinese; English
• Published: 11.07.2023
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The invention relates to an aspect-level sentiment analysis method. The method comprises the following steps: acquiring a to-be-analyzed text; performing feature extraction on the to-be-analyzed text to obtain text features; performing aspect word and opinion word extraction and pairing on the to-be-analyzed text to obtain a plurality of candidate aspect and opinion pairs; splicing each candidate aspect opinion pair with the text features to obtain a plurality of objects to be classified; and performing effectiveness and sentiment classification on each to-be-classified object to obtain an effective aspect opinion pair and sentiment polarity thereof. Compared with the prior art, the aspect sentiment polarity of the text can be accurately obtained, and the accuracy of aspect sentiment analysis is improved. 本发明涉及一种方面级情感分析方法，包括步骤：获取待分析文本；对所述待分析文本进行特征提取，得到文本特征；对所述待分析文本进行方面词和意见词抽取并配对，得到多个候选方面意见对；将每一所述候选方面意见对与所述文本特征进行拼接，得到多个待分类对象；对每一所述待分类对象进行有效性及情感分类，得到有效的方面意见对及其情感极性。相对于现有技术，能够准确得到文本的方面情感极性，提高方面情感分析的准确性。