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arxiv 1905.01758 v1 pith:2FOQQFGH submitted 2019-05-05 cs.IR cs.CL

Investigating the Successes and Failures of BERT for Passage Re-Ranking

classification cs.IR cs.CL
keywords bertpassagere-rankingfailuresmodelreasonssuccessesadditional
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The bidirectional encoder representations from transformers (BERT) model has recently advanced the state-of-the-art in passage re-ranking. In this paper, we analyze the results produced by a fine-tuned BERT model to better understand the reasons behind such substantial improvements. To this aim, we focus on the MS MARCO passage re-ranking dataset and provide potential reasons for the successes and failures of BERT for retrieval. In more detail, we empirically study a set of hypotheses and provide additional analysis to explain the successful performance of BERT.

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