Author

Laure Barriere

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#machine learning Preprint Sep 2026

Where Root Cause Analysis Fails: A Retrieval-Reranking Decomposition

A retrieval-reranking decomposition is introduced and a two-stage pipeline combining a multi-signal retriever with an LLM reranker that matches or exceeds the best baseline's top@1 accuracy on all six benchmark suites, with no causal graph or labeled data required.

H. Muhammad, Luan Pham, Laure Barriere et al. · 0 citations