Guess-Verify-Refine: Data-Aware Top-K for Sparse-Attention Decoding on Blackwell via Temporal Correlation. - Long Cheng; Ritchie Zhao; Timmy Liu; Mindy Li; Xianjie Qiao; Kefeng Duan; Yu-Jung Chen; Xiaoming Chen; Bita Darvish Rouhani; June Yang (CoRR, 2026)