{
  "paper": {
    "arxiv_id": "2607.25233",
    "title": "Beyond Single-Episode Optimization: Sliding-Window Aware Generative Auto-Bidding for Long-Term Advertising Effectiveness",
    "url": "https://arxiv.org/abs/2607.25233",
    "organization": "Alibaba International Digital Commerce / Dalian University of Technology"
  },
  "dataset": {
    "name": "MovieLens 100K",
    "users": 360,
    "items": 560
  },
  "setup": {
    "adapter": "swag-bid",
    "same_split_and_candidates": true
  },
  "baseline": {
    "name": "single-episode decision-transformer proxy",
    "hit_at_10": 0.07777777777777778,
    "ndcg_at_10": 0.033552701749960494,
    "fresh_hit_at_10": 0.03614457831325301,
    "head_share_at_10": 0.4361111111111111
  },
  "method": {
    "name": "masked trajectory planner + MWMS + per-step gated guidance",
    "hit_at_10": 0.07777777777777778,
    "ndcg_at_10": 0.033552701749960494,
    "fresh_hit_at_10": 0.03614457831325301,
    "head_share_at_10": 0.4361111111111111
  },
  "relative": {
    "hit_at_10_percent": 0.0,
    "ndcg_at_10_percent": 0.0,
    "fresh_hit_at_10_percent": 0.0,
    "head_share_at_10_percent": 0.0
  },
  "stages": {
    "masked_trajectory_candidates": 5,
    "sliding_window_days": 7,
    "multi_window_mpc_sampling": true,
    "confidence_decay": 0.25,
    "per_step_guidance_gate": true,
    "selected_validation_blend": 0.1,
    "validation_only_model_selection": {
      "hit_at_10": 0.1111111111111111,
      "ndcg_at_10": 0.06045988652653263,
      "fresh_hit_at_10": 0.07462686567164178,
      "head_share_at_10": 0.4336111111111111
    }
  },
  "paper_results": {
    "cost_percent": 1.96,
    "gmv_percent": 3.42,
    "roas_percent": 5.65,
    "achievement_rate_pp": 2.02
  },
  "scope": "实际生成多组未来出价强度，按七日重叠窗口、预测置信衰减和 ROAS 约束选择计划，再通过状态门控执行；未接入 AliExpress 私有竞价流量。",
  "schema_version": 2,
  "manifest_ref": "reproduction:swag-bid",
  "evaluation_protocol": {
    "tier": "l2_public_dataset",
    "seeds": [
      42
    ],
    "formal_comparison": false,
    "claim_policy": "single/few-seed smoke result; do not claim a stable improvement"
  },
  "provenance": {
    "artifact_path": "docs/reproductions/2607.25233-swag-bid/metrics/result-seed42.json",
    "historical_migration": "historical-metrics-v2-2026-08-09",
    "original_code_commit": "not recorded",
    "dataset_fingerprint": "not recorded in historical artifact"
  }
}