collaborators

6 papers

cs.CL2026

PruneTIR: Inference-Time Tool Call Pruning for Effective yet Efficient Tool-Integrated Reasoning

Luan Zhang, Dandan Song, Zhijing Wu +8

Tool-integrated reasoning (TIR) enables large language models (LLMs) to enhance their capabilities by interacting with external tools, such as code interpreters (CI). Most recent s…

cs.CL2026

Beyond Position Bias: Shifting Context Compression from Position-Driven to Semantic-Driven

Jiwei Tang, Zhijing Huang, Xinyu Zhang +5

Large Language Models (LLMs) have demonstrated exceptional performance across diverse tasks. However, their deployment in long-context scenarios faces high computational overhead a…

cs.CL2026

Bridging External and Parametric Knowledge: Mitigating Hallucination of LLMs with Shared-Private Semantic Synergy in Dual-Stream Knowledge

Yi Sui, Chaozhuo Li, Chen Zhang +2

Retrieval-augmented generation (RAG) aims to mitigate the hallucination of Large Language Models (LLMs) by retrieving and incorporating relevant external knowledge into the generat…

cs.CL2025

ZigzagAttention: Efficient Long-Context Inference with Exclusive Retrieval and Streaming Heads

Zhuorui Liu, Chen Zhang, Dawei Song

With the rapid development of large language models (LLMs), handling long context has become one of the vital abilities in LLMs. Such long-context ability is accompanied by difficu…

cs.CL2025

Towards the Law of Capacity Gap in Distilling Language Models

Chen Zhang, Qiuchi Li, Dawei Song +3

Language model (LM) distillation aims at distilling the knowledge in a large teacher LM to a small student one. As a critical issue facing LM distillation, a superior student often…

cs.CL2025

WindowKV: Task-Adaptive Group-Wise KV Cache Window Selection for Efficient LLM Inference

Youhui Zuo, Sibo Wei, Chen Zhang +3

With the advancements in long-context inference capabilities of large language models (LLMs), the KV cache has become one of the foundational components. However, its substantial G…