Adaptive hybrid retrieval: per-query BM25 + dense fusion via QDAP (Query-Driven Alpha Prediction). PyTorch implementation with antagonist negative sampling, evaluated on MLDR & MIRACL (29 languages).
search-engine machine-learning natural-language-processing information-retrieval deep-learning transformers pytorch question-answering semantic-search bm25 miracl neural-information-retrieval contrastive-learning multilingual-nlp hybrid-search dense-retrieval retrieval-augmented-generation mteb research-code make-2026
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Updated
May 24, 2026 - Python