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[Survey] Kaggle - Outbrain 13位解法まとめ

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Kaggle - Outbrain Click Prediction1の13位解法2の調査記事です.

Name: ololo
Kaggle Discussion: https://www.kaggle.com/c/outbrain-click-prediction/discussion/27897
Writeup: http://www.csie.ntu.edu.tw/~r01922136/kaggle-2014-criteo.pdf
Code: https://github.com/alexeygrigorev/outbrain-click-prediction-kaggle

  • 下記特徴量をSVMやFTRLで予測
    • イベント関連: user id, document id, platform id, day, hour, geo
    • 広告関連: ad document id, campaign, advertizer id
  • 特徴量の平均でのXGBoostやETでの予測
    • すべてのカテゴリ特徴量
    • 出版社やsource, 上位カテゴリ, トピックやentityといった文書の特徴量
    • これらの特徴量の相互関係
    • 広告文書とページでのコサイン類似度
  • 下記特徴量のFFM
    • 文書類似度,文書カテゴリ,トピックやentityを除くカテゴリ特徴量
    • XGBoostの葉(cf.3)
  • 最終的にXGBoostで結合

References

  1. Kaggle, Outbrain Click Prediction, 2017.

  2. ololo, Congrats and Solution Sharing

  3. Juan, et al., 3 Idiots’ Approach for Display Advertising Challenge

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