A zero-shot Qwen2.5-14B reranker on top of BM25+E5 hybrid retrieval reaches 64.39 MRR@5 on CLEF-2026 CheckThat! Task 1 English scientific source retrieval, with the LLM contributing most of the gain.
Title resolution pending
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
cs.IR 1years
2026 1verdicts
CONDITIONAL 1representative citing papers
citing papers explorer
-
SciClaimSeekers at CheckThat! 2026: Retrieving Scientific Sources for Social Media Claims with LLM Reranking
A zero-shot Qwen2.5-14B reranker on top of BM25+E5 hybrid retrieval reaches 64.39 MRR@5 on CLEF-2026 CheckThat! Task 1 English scientific source retrieval, with the LLM contributing most of the gain.