商品评论情感预测

该数据集包含从2011年1月1日到2014年3月31日（3年多）某电商网站的消费者购买行为，用户评分，评论和产品元数据，涵盖15个一级产品类别，987个二级产品类别，近2个百万用户，超过10万种产品和超过6,000万条评论。该数据集中的每个文本评论都包含三个子评论：正面评论，负面评论和整体评论。

This dataset encompasses consumer purchase behavior, user ratings, reviews, and product metadata from an e-commerce website spanning from January 1, 2011 to March 31, 2014 (over 3 years). It covers 15 primary product categories, 987 secondary product categories, nearly 2 million users, more than 100,000 products, and over 60 million reviews. Each text review in this dataset contains three sub-reviews: positive review, negative review, and overall review.