| { |
| "sample_size": { |
| "total": 172304959, |
| "train": 144108235, |
| "valid": 16515570, |
| "test": 11681154 |
| }, |
| "split_strategy": "date", |
| "split_by_date": { |
| "train_days": 25, |
| "valid_days": 3, |
| "test_days": 3, |
| "train_range": "20231001 ~ 20231025", |
| "valid_range": "20231026 ~ 20231028", |
| "test_range": "20231029 ~ 20231031" |
| }, |
| "oov_filter": { |
| "min_feat_count": 2, |
| "applied_to": [ |
| "session_id", |
| "day_of_week", |
| "is_weekend", |
| "hour", |
| "product_id", |
| "price_bucket", |
| "c0_id", |
| "c1_id", |
| "c2_id", |
| "brand_id", |
| "item_condition_id", |
| "size_id", |
| "shipper_id", |
| "color" |
| ], |
| "rule": "feature values with count < min_feat_count are mapped to 0" |
| }, |
| "blocked_layout": { |
| "train_blocks": 32, |
| "valid_blocks": 16, |
| "test_blocks": 16, |
| "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" |
| } |
| }, |
| "event_id_map": { |
| "item_view": 0, |
| "item_like": 1, |
| "item_add_to_cart_tap": 2, |
| "offer_make": 3, |
| "buy_start": 4, |
| "buy_comp": 5 |
| }, |
| "event_to_action_name": { |
| "item_view": "exposure", |
| "item_like": "Like", |
| "item_add_to_cart_tap": "Cart", |
| "offer_make": "Offer", |
| "buy_start": "Checkout", |
| "buy_comp": "Purchase" |
| }, |
| "label": [ |
| "Like", |
| "Cart", |
| "Offer", |
| "Checkout", |
| "Purchase" |
| ], |
| "action_vocab": { |
| "Cart": 1, |
| "Cart|Checkout": 2, |
| "Cart|Checkout|Purchase": 3, |
| "Cart|Offer": 4, |
| "Cart|Offer|Checkout": 5, |
| "Cart|Offer|Checkout|Purchase": 6, |
| "Cart|Offer|Purchase": 7, |
| "Cart|Purchase": 8, |
| "Checkout": 9, |
| "Checkout|Purchase": 10, |
| "Like": 11, |
| "Like|Cart": 12, |
| "Like|Cart|Checkout": 13, |
| "Like|Cart|Checkout|Purchase": 14, |
| "Like|Cart|Offer": 15, |
| "Like|Cart|Offer|Checkout": 16, |
| "Like|Cart|Offer|Checkout|Purchase": 17, |
| "Like|Cart|Offer|Purchase": 18, |
| "Like|Cart|Purchase": 19, |
| "Like|Checkout": 20, |
| "Like|Checkout|Purchase": 21, |
| "Like|Offer": 22, |
| "Like|Offer|Checkout": 23, |
| "Like|Offer|Checkout|Purchase": 24, |
| "Like|Offer|Purchase": 25, |
| "Like|Purchase": 26, |
| "Offer": 27, |
| "Offer|Checkout": 28, |
| "Offer|Checkout|Purchase": 29, |
| "Offer|Purchase": 30, |
| "Purchase": 31, |
| "exposure": 32 |
| }, |
| "action_vocab_desc": "One action token per view sample; each token encodes the multi-label outcomes matched from later events for the same user-item.", |
| "vocab_size": { |
| "user_index": 1697915, |
| "item_index": 43817684, |
| "user_id": 1697916, |
| "item_id": 43817684, |
| "action": 33, |
| "timestamp": 0, |
| "session_id": 3701837, |
| "day_of_week": 8, |
| "is_weekend": 3, |
| "hour": 25, |
| "product_id": 893620, |
| "price_bucket": 10, |
| "c0_id": 18, |
| "c1_id": 310, |
| "c2_id": 3042, |
| "brand_id": 19783, |
| "item_condition_id": 7, |
| "size_id": 356, |
| "shipper_id": 3, |
| "color": 7311 |
| }, |
| "feature_groups": { |
| "context_features": [ |
| "session_id", |
| "day_of_week", |
| "is_weekend", |
| "hour" |
| ], |
| "item_static_features": [ |
| "product_id", |
| "price_bucket", |
| "c0_id", |
| "c1_id", |
| "c2_id", |
| "brand_id", |
| "item_condition_id", |
| "size_id", |
| "shipper_id", |
| "color" |
| ] |
| }, |
| "sample_construction": { |
| "anchor": "first item_view per user_id + item_id", |
| "labels": "Like/Cart/Offer/Checkout/Purchase events strictly after the anchor view are OR-ed into that view's multi-label target.", |
| "non_view_events": "used only to fill labels; not retained as samples or sequence tokens" |
| }, |
| "user_info_schema": { |
| "fields": [ |
| "user_index", |
| "full_item_seq", |
| "full_action_seq", |
| "full_timestamp_seq" |
| ] |
| }, |
| "item_info_schema": { |
| "fields": [ |
| "item_index", |
| "item_id", |
| "product_id", |
| "price_bucket", |
| "c0_id", |
| "c1_id", |
| "c2_id", |
| "brand_id", |
| "item_condition_id", |
| "size_id", |
| "shipper_id", |
| "color" |
| ] |
| }, |
| "max_len": { |
| "full_item_seq": 26576, |
| "full_action_seq": 26576, |
| "full_timestamp_seq": 26576 |
| } |
| } |
