activity
20232026
most citedKnowCoder: Coding Structured Knowledge into LLMs for Universal Information Extraction

5 citations · 24 across the 91 of their papers we have counts for

collaborators

99 papers

cs.LG2026

Capability Scaling-Down Laws for LLM Compression

Xueqi Cheng, Liang Wu, Kelly Wan +2

LLM compression reduces inference costs and memory requirements, but selecting a method and configuration remains largely empirical because comparable resource reductions can produ…

cs.AI2026

Experimental Experience Modeling for Autonomous Research

Wenda Wei, Yingchen Zhang, Ruqing Zhang +3

Autonomous research agents can generate hypotheses and conduct experiments, but experimentation remains a major source of computational cost. A fundamental challenge is deciding wh…

cs.CL2026

RAdapter: A Routing and Rewriting Adapter for Efficient Hybrid RAG

Yucan Guo, Miao Su, Saiping Guan +6

Retrieval-Augmented Generation (RAG) has become a prevailing paradigm for enhancing Large Language Models (LLMs) with non-parametric knowledge. Vanilla RAG efficiently handles simp…

cs.CL2026

HiDiffTIR: Hierarchical Difficulty-Aware Policy Optimization for Multi-Turn Tool-Integrated Reasoning

Yucan Guo, Xiaohan Wang, Miao Su +8

Tool-Integrated Reasoning (TIR) is a fundamental capability for LLM agents to solve complex tasks by interacting with external tools iteratively. Reinforcement Learning (RL) has be…

cs.SE2026

DeepRepro: State-Aware Subplanning for Paper-to-Code Reproduction in Evolving Repositories

Hongru Song, Ruqing Zhang, Jiafeng Guo +2

Recent advances in agentic large language models (LLMs) have enabled increasingly autonomous software engineering workflows, yet automatic machine learning (ML) paper-to-code repro…

cs.CR2026

Token-Flow Firewall: Semantic Runtime Auditing for Persistent AI Agents

Puji Wang, Yingchen Zhang, Ruqing Zhang +2

Persistent AI agents extend large language models (LLMs) beyond single-turn interaction into long-lived software systems. Unlike traditional chat assistants, unsafe content in thes…

cs.CL2026

Event Ontology Expansion via LLM-Based Conceptualization

Weicheng Ren, Zixuan Li, Long Bai +3

Event ontology expansion aims to discover emerging event types from data and extend them to appropriate positions in the existing event ontology.. Existing methods typically cluste…

cs.LG2026

SAW: Stage-Aware Dynamic Weighting for Multi-Objective Reinforcement Learning in Large Language Models

Yuchen He, Baolong Bi, Shenghua Liu +7

Although multi-objective reinforcement learning (MORL) is central to aligning large language models with complex human preferences, the prevailing practice of static weighted summa…

cs.AI2026

Code-on-Graph: Iterative Programmatic Reasoning via Large Language Models on Knowledge Graphs

Weiwei Ding, Zixuan Li, Long Bai +7

Knowledge Graphs (KGs) are widely used to mitigate the limitations of Large Language Models (LLMs), such as outdated knowledge and hallucinations. Existing LLM-KG integration frame…

cs.IR2026

Can LLM Rerankers Predict Their Own Ranking Performance?

Shiyu Ni, Keping Bi, Jiafeng Guo +3

Retrieval effectiveness varies substantially across queries, making it important to estimate ranking quality before relevance judgments are available. Query performance prediction…

cs.CV2026

Readable Yet Unpredictable: Rotated-Outcome Prediction in Vision-Language Models

Lexin Wang, Shenghua Liu, Yiwei Wang +2

Can vision-language models predict what a 180° rotation would reveal from the original image alone? We study this ability through Rotated-Outcome Prediction: given an original imag…

cs.CL2026

SOMA: Efficient Multi-turn LLM Serving via Small Language Model

Xueqi Cheng, Qiong Wu, Zhengyi Zhou +3

Large Language Models (LLMs) are increasingly deployed in multi-turn dialogue settings where preserving conversational context across turns is essential. A standard serving practic…

cs.AI2026

LatentRouter: Can We Choose the Right Multimodal Model Before Seeing Its Answer?

Xueqi Cheng, Yushun Dong

Multimodal large language models (MLLMs) have heterogeneous strengths across OCR, chart understanding, spatial reasoning, visual question answering, cost, and latency. Effective ML…

cs.CL2026

ReAD: Reinforcement-Guided Capability Distillation for Large Language Models

Xueqi Cheng, Xugui Zhou, Tyler Derr +1

Capability distillation applies knowledge distillation to selected model capabilities, aiming to compress a large language model (LLM) into a smaller one while preserving the abili…

cs.LG2026

When and Why Grouping Attention Heads Accelerates Muon Optimization

Hongtao Zhang, Wenjie Zhou, Wei Chen +1

Muon orthogonalizes matrix updates, but multi-head attention naturally operates at the level of heads. This granularity mismatch raises the question of whether Muon should be appli…

cs.CL2026

EGAD: Entropy-Guided Adaptive Distillation for Token-Level Knowledge Transfer

Hao Zhang, Zhibin Zhang, Guangxin Wu +3

Large language models (LLMs) have achieved remarkable performance across diverse domains, yet their enormous computational and memory requirements hinder deployment in resource-con…

cs.CL2026

Detoxification for LLM: From Dataset Itself

Wei Shao, Yihang Wang, Gaoyu Zhu +4

Existing detoxification methods for large language models mainly focus on post-training stage or inference time, while few tackle the source of toxicity, namely, the dataset itself…

cs.IR2026

AdversarialCoT: Single-Document Retrieval Poisoning for LLM Reasoning

Hongru Song, Yu-An Liu, Ruqing Zhang +4

Retrieval-augmented generation (RAG) enhances large language model (LLM) reasoning by retrieving external documents, but also opens up new attack surfaces. We study knowledge-base…

cs.IR2026

Relevance Supervision Can Teach Neural Retrievers to Prefer LLM-Generated Text

Wei Huang, Keping Bi, Yinqiong Cai +3

Recent studies show that neural retrievers often exhibit source bias, ranking LLM-generated passages above semantically similar human-written ones, which threatens the reliability…

cs.CV2026

HighlightBench: Benchmarking Markup-Driven Table Reasoning in Scientific Documents

Lexin Wang, Shenghua Liu, Yiwei Wang +5

Visual markups such as highlights, underlines, and bold text are common in table-centric documents. Although multimodal large language models (MLLMs) have made substantial progress…

cs.CL2026

PRISM-: Differential Subspace Steering for Prompt Highlighting in Large Language Models

Yuyao Ge, Shenghua Liu, Yiwei Wang +5

Prompt highlighting steers a large language model to prioritize user-specified text spans during generation. A key challenge of existing Key-editing approaches is extracting steeri…

cs.IR2026

Bagging-Based Model Merging for Robust General Text Embeddings

Hengran Zhang, Keping Bi, Jiafeng Guo +4

General-purpose text embedding models underpin a wide range of NLP and information retrieval applications, and are typically trained on large-scale multi-task corpora to encourage…

cs.CL2026

MI-PRUN: Optimize Large Language Model Pruning via Mutual Information

Hao Zhang, Zhibin Zhang, Guangxin Wu +3

Large Language Models (LLMs) have become indispensable across various domains, but this comes at the cost of substantial computational and memory resources. Model pruning addresses…

cs.CL2026

Iterative Structured Pruning for Large Language Models with Multi-Domain Calibration

Guangxin Wu, Hao Zhang, Zhang Zhibin +2

Large Language Models (LLMs) have achieved remarkable success across a wide spectrum of natural language processing tasks. However, their ever-growing scale introduces significant…