Paper on bagging aggregation strategy used for XGBoost?

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Original Question:
Hello everyone, can someone point me to the paper (if it exists) that proposes the bagging aggregation strategy used for XGBoost?


Answer:

Hi! The bagging aggregation strategy used for XGBoost is not based on a specific paper, rather, it is a common and effective way to do tree ensemble, which can be used for federated XGBoost.Here are some related materials to help understand this method:

  1. Paper: https://arxiv.org/pdf/2011.02796.pdf, it’s about how to do FL with Gradient boosting decision tree (GBDT), XGBoost belongs to GBDT.
  2. Wikipedia of bootstrap bagging: Bootstrap aggregating - Wikipedia