Restaurant and laptop review dataset

The file contains four public datasets, which are taken from user comments on Laptop and Restaurant. Each dataset is composed of review, aspect words composed of one or more words, and the sentiment polarity of the aspect word. The sentiment polarity is composed of Positive, Neutral, and Negative.本文件包含四个公开数据集，数据源自笔记本电脑与餐厅领域的用户评论。每个数据集均由三部分组成：评论文本、由一个或多个词汇构成的方面词（aspect word），以及该方面词对应的情感极性（sentiment polarity）。情感极性分为正面（Positive）、中性（Neutral）与负面（Negative）三类。