Stream TwitterSentiment is a dataset of tweets, focusing on sentiment analysis, and is used to test the performance of active stream learning algorithms for polarity learning.
StreamJi is a dataset of product reviews, focusing on features of products, and is used to test the performance of active stream learning algorithms for polarity learning.
The Epinions dataset is a large-scale opinion mining dataset. It contains 1 million user-item interactions and is widely used for evaluating the performance of recommender systems.