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This short document describes a traditional IR system that achieved MRR@100equal to 0.298 on the MS MARCO Document Ranking leaderboard (on 2020-12-06).Although inferior to most BERT-based models, it outperformed several neuralruns (as well as all non-neural ones), including two submissions that used alarge pretrained Transformer model for re-ranking. We provide software and datato reproduce our results.

Traditional IR rivals neural models on the MS MARCO Document Ranking Leaderboard