Author

Junbo Zhao

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Preprint Jul 2026

dRAE: Representation Autoencoder with Hyper-Spherical Codes

This work proposes Hyper-Spherical Quantization (HSQ), which decouples semantic content from feature magnitude via angular routing, preventing code assignment from being dominated by scale rather than meaning.

Tianren Ma, Lin Long, Chuyan Chen et al. · 0 citations

Preprint Jul 2026

Semantically Similar, Logically Distinct: Diagnosing the Semantic-Answerability Gap in Table RAG

This work introduces TCR-Bench, a diagnostic benchmark for Table Content-level Answerability in RAG, and tests whether a lightweight two-stage pipeline, Answerability-Aware Reranking (AAR), applying direct query-table answerability judgment, can recover performance.

Jiaming Tian, Liyao Li, Wen-song Ye et al. · 0 citations