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RecomDataSet

用于记录网络上可公开获取的,适用于设计推荐算法的数据集,包括数据集名称、来源连接、特征介绍,以及对应的读取数据集的方式(暂定)

数据集对应的原始ReadMe介绍在dataset_ReadMe文件夹下,以数据集名称命名

包括4个文件,dataset-README.txt, yoochoose-buys.dat, yoochoose-clicks.dat, yoochoose-test.dat

概述

dataset-README.txt包含对数据集中数据的介绍,包括每个dat文件的列名,后面基于该文件查看数据集

yoochoose-buys

记录用户的购买记录,每一行数据包括Session ID, Timestamp, Item ID, Price, Quantity

  • Session ID - 每个session的ID。在单个session中可能有一个或多个购买行为,用整数表示。
  • Timestamp - 购买行为发生的时间,表示格式为YYYY-MM-DDThh:mm:ss.SSSZ
  • Item ID – 被购买的物品的标识,使用整数表示
  • Price - 物品的价格,整数
  • Quantity - 购买的数量,整数

yoochoose-clicks

记录用户点击商品的行为,每一行包括Session ID, Timestamp, Item ID, Category

  • Session ID - 每个session的ID。在单个session中可能有一个或多个购买行为,用整数表示。
  • Timestamp - 购买行为发生的时间,表示格式为YYYY-MM-DDThh:mm:ss.SSSZ
  • Item ID – 被购买的物品的标识,使用整数表示
  • Category - 点击行为的上下文,"S"表示特别优惠, "0" 表示缺失值,1-12之间的数字表示实际类别标识符

yoochoose-test

由用户的点击行为构成,是RecSys2015年的挑战内容,文件格式与yoochoose-clicks.dat下的格式相同

这里只找到了google drive上的下载地址

包括README, movies.dat, ratings.dat, users.dat

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