2026-10-13T15:42:47Z https://www.scidb.cn/oai

10.57760/sciencedb.j00133.00349 2023-11-10T15:51:59Z

2023-11-10 Experimental data sets doi:10.57760/sciencedb.j00133.00349 en Firstly, preprocess the comment data, then use word frequency and word cloud analysis methods to extract product features from the comments, analyze consumers' preferences for product attributes, and finally construct an online comment sentiment analysis model to classify consumer comments.  user reviews; sentiment analysis; margin sampling; tri-training zhang ting PUBLIC https://opendatacommons.org/licenses/odbl/1-0/ dataset Science Data Bank