gausubash/Amazon-Reviews-2023

这是一个大规模亚马逊评论数据集，由McAuley实验室于2023年收集，包含丰富的特征：1. 用户评论（评分、文本、有用性投票等）；2. 物品元数据（描述、价格、原始图像等）；3. 链接（用户-物品/一起购买图）。数据集的新增内容包括：更大的数据量（5.715亿条评论，比上一版本增加245.2%）、更新的交互数据（时间范围从1996年5月到2023年9月）、更丰富的元数据特征、更精细的时间戳（秒级或更细）、更干净的元数据处理以及标准的数据分割以支持推荐系统基准测试。基本统计信息显示，数据集涵盖33个类别，总共有5.715亿条评论、5450万用户、4819万物品、301.4亿评论令牌和307.8亿元数据令牌。数据集支持多个配置，如All_Beauty、Arts_Crafts_and_Sewing等，每个配置包含物品元数据的详细特征，如主类别、标题、平均评分等。This is a large-scale Amazon Reviews dataset, collected in 2023 by McAuley Lab, and it includes rich features such as: 1. User Reviews (ratings, text, helpfulness votes, etc.); 2. Item Metadata (descriptions, price, raw image, etc.); 3. Links (user-item / bought together graphs). New aspects in Amazon Reviews23 include: 1. Larger Dataset: 571.54M reviews, 245.2% larger than the last version; 2. Newer Interactions: Current interactions range from May 1996 to Sep 2023; 3. Richer Metadata: More descriptive features in item metadata; 4. Fine-grained Timestamp: Interaction timestamp at the second or finer level; 5. Cleaner Processing: Cleaner item metadata than previous versions; 6. Standard Splitting: Standard data splits to encourage RecSys benchmarking. Basic statistics show 571.54M reviews, 54.51M users, 48.19M items, 30.14B review tokens, and 30.78B metadata tokens across 33 categories, with configurations for categories like All_Beauty, Arts_Crafts_and_Sewing, etc., each featuring detailed item metadata such as main category, title, average rating, and more.