First-place official system for JOKER 2026 (CLEF) Task 1 English: a three-stage humor retrieval pipeline pairing hybrid sparse-dense retrieval and cross-encoder reranking with a rationale-distilled LLM judge ensemble. 0.6347 MAP. Team VANGUARD.
nlp information-retrieval pytorch lora gemma bm25 puns humor-detection wordplay dense-retrieval llm qlora qwen llm-judge gemma4 clef-2026 cross-encoder-reranking joker-2026 rationale-distillation
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Jun 20, 2026 - Python