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IROH Retrieval System Leads JOKER 2026 Humor Ranking Task
A team called VANGUARD describes IROH, a three-stage retrieval pipeline that blends sparse and dense retrieval with cross-encoder reranking and LLM judges distilled from rationales. The system placed first on the English JOKER 2026 Task 1 leaderboard with a MAP score of 0.6347. The work appears as an arXiv paper under the cs.CL category.