LenaFan/data_sample_1000new

一个包含1000条用户-物品交互记录的样本数据集，用于TAAC2026竞赛。该数据集采用扁平列布局，所有特征都作为单独的顶级列存储，而不是嵌套结构或数组。数据集包含120列，分为6个类别：ID和标签（5列）、用户整数特征（46列）、用户密集特征（10列）、物品整数特征（14列）和领域序列特征（45列）。文件格式为parquet，大小约为39 MB。

A sample dataset containing 1000 user-item interaction records for the TAAC2026 competition. This dataset uses a flat column layout — all features are stored as individual top-level columns instead of nested structs/arrays. The dataset consists of 120 columns categorized into 6 groups: ID & Label (5 columns), User Int Features (46 columns), User Dense Features (10 columns), Item Int Features (14 columns), and Domain Sequence Features (45 columns). The file is in parquet format with a size of approximately 39 MB.