| { |
| "dataset": "Ali_Display_Ad_Click / Taobao", |
| "sample_size": { |
| "total": 23601301, |
| "train": 17822296, |
| "valid": 2871767, |
| "test": 2907238, |
| "phase1_total_interactions": 26557961 |
| }, |
| "split_by_date": { |
| "timezone": "Asia/Shanghai", |
| "timestamp_unit": "s", |
| "train_days": 6, |
| "train_range": "2017-05-06 ~ 2017-05-11", |
| "valid_days": 1, |
| "valid_range": "2017-05-12 ~ 2017-05-12", |
| "test_days": 1, |
| "test_range": "2017-05-13 ~ 2017-05-13", |
| "rule": "按 raw_sample 日期排序后按 train/valid/test 比例切分；官方 8 天数据默认约为 6/1/1。" |
| }, |
| "behavior_log_usage": { |
| "used": true, |
| "label_columns": [ |
| "cart", |
| "fav", |
| "buy" |
| ], |
| "stats": { |
| "raw_rows": 723268134, |
| "kept_rows": 33592031, |
| "label_counts": { |
| "cart": 15943875, |
| "fav": 9299893, |
| "buy": 8357307 |
| } |
| }, |
| "match_key": [ |
| "user_id", |
| "cate_id", |
| "brand" |
| ], |
| "behavior_label_window_seconds": 86400, |
| "rule": "raw_sample 先通过 adgroup_id 映射到 ad_feature.cate_id/brand；对每条曝光样本，若同一 user_id + cate_id + brand 在曝光 time_stamp 之后 behavior_label_window_seconds 秒内出现对应 btag，则该行为标签置为 1，否则为 0。", |
| "note": "behavior_log 不含 adgroup_id，因此这里是类目/品牌粒度、曝光后时间窗口内的行为监督，不是广告 ID 粒度的直接标签。" |
| }, |
| "user_filtering": { |
| "min_user_interactions": 10, |
| "valid_users": 470570, |
| "dropped_users": 671159 |
| }, |
| "oov_filter": { |
| "min_feat_count": 2, |
| "applied_to": [ |
| "cms_segid", |
| "cms_group_id", |
| "final_gender_code", |
| "age_level", |
| "pvalue_level", |
| "shopping_level", |
| "occupation", |
| "new_user_class_level", |
| "cate_id", |
| "campaign_id", |
| "customer_id", |
| "brand", |
| "price_bucket" |
| ], |
| "rule": "特征值出现次数 < min_feat_count 的统一映射为 0 (unknown/padding)", |
| "freq_source": "基于 raw_sample 中 user/item 出现次数 * 静态特征值统计" |
| }, |
| "blocked_layout": { |
| "n_user_parts": 32, |
| "train_blocks": 32, |
| "valid_blocks": 8, |
| "test_blocks": 8, |
| "train": { |
| "data_dir": "train/data", |
| "user_info_dir": "train/user_info", |
| "item_info_dir": "train/item_info" |
| }, |
| "valid": { |
| "data_dir": "valid/data", |
| "user_info_dir": "valid/user_info", |
| "item_info_dir": "valid/item_info" |
| }, |
| "test": { |
| "data_dir": "test/data", |
| "user_info_dir": "test/user_info", |
| "item_info_dir": "test/item_info" |
| }, |
| "block_pair_rule": "同一 split 下，data/user_info/item_info 使用相同 part-xxxxx 编号配对读取。", |
| "local_index_rule": { |
| "user_index": "block-local dense index, starts from 0", |
| "item_index": "block-local dense index, 0 reserved for padding", |
| "user_id": "global feature id, consistent across blocks", |
| "item_id": "global feature id, consistent across blocks" |
| } |
| }, |
| "vocab_size": { |
| "user_index": 470570, |
| "item_index": 846812, |
| "user_id": 470571, |
| "item_id": 846812, |
| "action": 17, |
| "timestamp": 0, |
| "is_weekend": 3, |
| "hour": 25, |
| "cms_segid": 99, |
| "cms_group_id": 15, |
| "final_gender_code": 4, |
| "age_level": 9, |
| "pvalue_level": 5, |
| "shopping_level": 5, |
| "occupation": 4, |
| "new_user_class_level": 6, |
| "cate_id": 6409, |
| "campaign_id": 354106, |
| "customer_id": 220826, |
| "brand": 88145, |
| "price_bucket": 11, |
| "pid": 4 |
| }, |
| "label": [ |
| "is_click", |
| "cart", |
| "fav", |
| "buy" |
| ], |
| "action_vocab": { |
| "buy": 1, |
| "cart": 2, |
| "cart|buy": 3, |
| "cart|fav": 4, |
| "cart|fav|buy": 5, |
| "exposure": 6, |
| "fav": 7, |
| "fav|buy": 8, |
| "is_click": 9, |
| "is_click|buy": 10, |
| "is_click|cart": 11, |
| "is_click|cart|buy": 12, |
| "is_click|cart|fav": 13, |
| "is_click|cart|fav|buy": 14, |
| "is_click|fav": 15, |
| "is_click|fav|buy": 16 |
| }, |
| "action_vocab_desc": "编码后的多任务 action 词表，用于 dataloader 基于 full_action_seq 构造 task-specific token masks。", |
| "user_info_schema": { |
| "fields": [ |
| "user_index", |
| "full_item_seq", |
| "full_action_seq", |
| "full_timestamp_seq" |
| ], |
| "full_timestamp_seq_desc": "按时间顺序排列的 raw_sample time_stamp 序列", |
| "desc": "user_index / full_item_seq 中的 item index 为 block-local index；full_action_seq / full_timestamp_seq 为全局时间顺序序列。" |
| }, |
| "item_info_schema": { |
| "fields": [ |
| "item_index", |
| "item_id", |
| "cate_id", |
| "campaign_id", |
| "customer_id", |
| "brand", |
| "price_bucket" |
| ], |
| "desc": "item_index 为 block-local index；item_id 为全局 item feature id。" |
| }, |
| "feature_schema": { |
| "user_static_features": [ |
| "cms_segid", |
| "cms_group_id", |
| "final_gender_code", |
| "age_level", |
| "pvalue_level", |
| "shopping_level", |
| "occupation", |
| "new_user_class_level" |
| ], |
| "context_features": [ |
| "pid", |
| "is_weekend", |
| "hour" |
| ], |
| "item_static_features": [ |
| "cate_id", |
| "campaign_id", |
| "customer_id", |
| "brand", |
| "price_bucket" |
| ], |
| "label_columns": [ |
| "is_click", |
| "cart", |
| "fav", |
| "buy" |
| ] |
| }, |
| "max_len": { |
| "full_item_seq": 3756, |
| "full_action_seq": 3756, |
| "full_timestamp_seq": 3756 |
| } |
| } |
