Chunran Zhang — undergraduate at Southwest Jiaotong University interested in information retrieval, data mining, and artificial intelligence. https://ln-one.github.io/ Thu, 17 Sep 2026 19:24:54 +0000 Updated preprint: <a href="https://arxiv.org/abs/2609.14971">Opacity Is Not Just Opacity</a>. Tue, 15 Sep 2026 00:00:00 +0000 https://ln-one.github.io/allnews.html New preprint: <a href="https://arxiv.org/abs/2609.15143">Top-K Is Not a Budget for Hybrid Retrieval</a>. Mon, 14 Sep 2026 00:00:00 +0000 https://ln-one.github.io/allnews.html New preprint: <a href="https://arxiv.org/abs/2609.14971">Opacity Is Not Just Opacity</a>. Mon, 14 Sep 2026 00:00:00 +0000 https://ln-one.github.io/allnews.html Updated preprint: <a href="https://arxiv.org/abs/2608.15851">Query Expansion Should Be Coordinated: Dense Expands, Sparse Anchors</a>. Mon, 31 Aug 2026 00:00:00 +0000 https://ln-one.github.io/allnews.html New preprint (v1): <a href="https://arxiv.org/abs/2608.15851v1">Query Expansion Should Be Coordinated: Dense Expands, Sparse Anchors</a>. Sun, 16 Aug 2026 00:00:00 +0000 https://ln-one.github.io/allnews.html New preprint: <a href="https://arxiv.org/abs/2608.07152">Exact Adaptive Hybrid Retrieval Without Fixed Top-L Cutoffs</a>. Fri, 07 Aug 2026 00:00:00 +0000 https://ln-one.github.io/allnews.html