activity
20242026
collaborators

15 papers

cs.CL2026

Elastic Attention: Test-time Adaptive Sparsity Ratios for Efficient Transformers

Zecheng Tang, Quantong Qiu, Yi Yang +6

The quadratic complexity of standard attention mechanisms poses a significant scalability bottleneck for large language models (LLMs) in long-context scenarios. While hybrid attent…

cs.CL2026

MemoryRewardBench: Benchmarking Reward Models for Long-Term Memory Management in Large Language Models

Zecheng Tang, Baibei Ji, Ruoxi Sun +7

Existing works increasingly adopt memory-centric mechanisms to process long contexts in a segment manner, and effective memory management is one of the key capabilities that enable…

cs.CL2025

LongRM: Revealing and Unlocking the Context Boundary of Reward Modeling

Zecheng Tang, Baibei Ji, Quantong Qiu +4

Reward model (RM) plays a pivotal role in aligning large language model (LLM) with human preferences. As real-world applications increasingly involve long history trajectories, e.g…

cs.CL2025

Revisiting Long-context Modeling from Context Denoising Perspective

Zecheng Tang, Baibei Ji, Juntao Li +3

Long-context models (LCMs) have demonstrated great potential in processing long sequences, facilitating many real-world applications. The success of LCMs can be attributed to their…

cs.CV2025

MMLongCite: A Benchmark for Evaluating Fidelity of Long-Context Vision-Language Models

Keyan Zhou, Zecheng Tang, Lingfeng Ming +8

The rapid advancement of large vision language models (LVLMs) has led to a significant expansion of their context windows. However, an extended context window does not guarantee th…

cs.CL2025

LOOM-Scope: a comprehensive and efficient LOng-cOntext Model evaluation framework

Zecheng Tang, Haitian Wang, Quantong Qiu +5

Long-context processing has become a fundamental capability for large language models~(LLMs). To assess model's long-context performance, numerous long-context evaluation benchmark…