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最近のヤフオク!におけるAbuser対策

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資料の補足
Avitoコンペ1st solution: https://www.kaggle.com/c/avito-demand-prediction/discussion/59880

Published in: Technology
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最近のヤフオク!におけるAbuser対策

  1. 1. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 2019年3月28日 片本 最近のヤフオク!における Abuser対策
  2. 2. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 自己紹介 2 ・片本です ・ヤフオク!開発本部 プロダクト開発2部 ・2018/8に入社しました
  3. 3. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 今日話すこと 3 ・ヤフオク!のおさらい ・Abuserの種類と対策の一部始終
  4. 4. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved.Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. ヤフオク!のおさらい
  5. 5. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved.Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. サービス公開日
  6. 6. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved.Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 1999年9月28日
  7. 7. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved.Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 過去最高落札価格
  8. 8. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved.Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 6億9343万6205円
  9. 9. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved.Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 出品物の構成比
  10. 10. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved.Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 4 : 6
  11. 11. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved.Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 安心して取引できた割合
  12. 12. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved.Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 96%
  13. 13. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved.Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. Abuserのいろいろ
  14. 14. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 14 Abuserと戦う意味 ・安心・安全であるということ はユーザー体験を向上させるた めには必要不可欠である。
  15. 15. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 不正者1: 詐欺 15 ・商品の落札価格を支払ったのに、商品 が発送されない ・落札された商品を発送したのに、代金 が振り込まれない
  16. 16. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 詐欺対策 16 代金支払い管理サービス(※)を導入 ※エスクロー形式の決済
  17. 17. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 不正者2: 権利侵害品 17 ・ニセモノが届いた
  18. 18. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 偽物への対策 18 https://about.yahoo.co.jp/pr/rele ase/2018/11/30a/
  19. 19. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. 偽物への対策 19 ・マルチモーダルな深層ニューラルネッ トワーク ・Avitoコンペ1st solutionを参考
  20. 20. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved.Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. Thank you
  21. 21. Copyright (C) 2019 Yahoo Japan Corporation. All Rights Reserved. よろしければ 21 https://about.yahoo.co.jp/hr/

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