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Yuzhe Bai

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Book Open access Aug 2026

LSAR: Sparse Lexical Representation Learning for Efficient and Interpretable Audio Retrieval

As Multimodal Large Language Models (MLLMs) expand the scope of retrieval-augmented generation, recommendation, and multimedia search, audio retrieval is expected to become a dependable retrieval component. Yet existing systems struggle to reconcile lexical precision, non-verbal acoustic evidence, and efficient, transp...

Haoyu Li, Yuzhe Bai, Li Niu · 0 citations
Book Open access Aug 2026

LSAR: Sparse Lexical Representation Learning for Efficient and Interpretable Audio Retrieval

As Multimodal Large Language Models (MLLMs) expand the scope of retrieval-augmented generation, recommendation, and multimedia search, audio retrieval is expected to become a dependable retrieval component. Yet existing systems struggle to reconcile lexical precision, non-verbal acoustic evidence, and efficient, transp...

Haoyu Li, Yuzhe Bai, Li Niu · 0 citations
#artificial intelligence Preprint Aug 2026

Higher-Dimensional Rotary Position Embedding

HDR-RoPE is proposed, which extends RoPE from independent 2D rotations to higher-dimensional rotations and introduces a Paley-I orthogonal basis to obtain balanced, isotropic, and dense phase mixing within each rotation subspace and significantly enhances channel coupling and rotational degrees of freedom while maintai...

Yixing Li, Ruo-Bing Xie, Yu-Dong Zhang et al. · 0 citations

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