arXivDaily arXiv每日学术速递 周一至周五更新

期刊&会议

Annual Meeting of the Association for Computational Linguistics · 会议 · Natural Language Processing

2026-07-13 至 2026-07-13 共收录 2
2607.09263 2026-07-13 cs.CV 新提交

Semantic Hardness Is Not Visual Hardness: Sign-Aware Hard Negative Mining for Sign Language Retrieval

语义难度并非视觉难度:用于手语检索的符号感知硬负样本挖掘

Junmyeong Lee, Chan Hur, ChangSu Choi, Sukmin Cho, Fitsum Gaim, Eui Jun Hwang, Hoyun Song, KyungTae Lim

机构 * School of Computing(计算机学院) Graduate School of Culture Technology(文化技术研究生院) Korea Advanced Institute of Science and Technology(韩国科学技术院) ETRI Medical Informatics Laboratory(电子通信研究院医学信息学实验室)

AI总结 研究手语检索在细粒度场景的问题,提出符号感知硬负样本挖掘方法,通过在嵌入空间基于视觉易混淆性构建硬负样本,实验证明该方法能提升细粒度检索性能且保持粗粒度准确性。

Comments Accepted to ACL 2026 main

Journal ref Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2026, pages 28262-28277

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2607.07740 2026-07-13 cs.LG cs.AI 新提交

Jet-Long: Efficient Long-Context Extension with Dynamic Bifocal RoPE

Jet-Long:使用动态双焦点旋转位置编码的高效长上下文扩展

Haozhan Tang, Zerui Wang, Yuxian Gu, Song Han, Han Cai

机构 * NVIDIA(英伟达)

AI总结 研究针对现代语言模型长上下文应用中零样本上下文扩展问题,提出Jet-Long方法,通过动态双焦点RoPE及相关技术,在推理时开销小,在多种模型和基准测试中表现优异,还能推广到其他架构且超参数弹性强。

Comments added discussion of AdaGroPE and LaMPE (Findings of ACL 2026) with clarified contribution

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