activity
20212026
most citedCultureVLM: Characterizing and Improving Cultural Understanding of Vision-Language Models for over 100 Countries

2 citations · 9 across the 21 of their papers we have counts for

collaborators

21 papers

cs.AI2026

Paint What You See: Benchmarking Dexterous Visual Tool Use in Multimodal Agents

Shudong Liu, Dongyang Chen, Enci Zhang +3

Evaluation is shifting from static QA toward agentic settings where models act through external tools. We identify a critical yet underexplored capability within this space - dexte…

cs.CL2026

Kimi K3: Open Frontier Intelligence

Kimi Team, Tongtong Bai, Yifan Bai +398

We introduce Kimi K3, a 2.8T parameter Mixture-of-Experts model with 104 billion activated parameters, native vision capabilities, and a 1-million-token context window. Kimi K3 is…

cs.LG2026

TAPO: Transition-Aware Policy Optimization for LLM Agents

Cong Li, Peixi Peng, Yisen Zhao +4

Recently, Reinforcement Learning (RL) has emerged as a crucial paradigm for the post-training of Large Language Model (LLM) agents. However, existing methods predominantly rely on…

cs.AI2026

AgentCompass: A Unified Evaluation Infrastructure for Agent Capabilities

Kai Chen, Zichen Ding, Jiaye Ge +20

As Large Language Models (LLMs) evolve into autonomous agents, the need for unified evaluation infrastructure becomes critical. However, current evaluation pipelines remain highly…

cs.AI2026

Expectation Alignment of Language Models for Real-World User Expectations

Miaomiao Li, Yang Wang, Bin Liang +3

Large language models (LLMs) have demonstrated remarkable performance on standard benchmarks, yet it remains largely unexplored whether they truly meet user expectations. Existing…

cs.CL2026

From Scenes to Elements: Multi-Granularity Evidence Retrieval for Verifiable Multimodal RAG

Guanhua Chen, Chuyue Huang, Yutong Yao +4

Multimodal Retrieval-Augmented Generation (RAG) systems retrieve evidence at coarse granularities (entire images or scenes), creating a mismatch with fine-grained user queries and…

cs.CL2026

Chain-of-Procedure: Hierarchical Visual-Language Reasoning for Procedural QA

Guanhua Chen, Yutong Yao, Shenghe Sun +5

Recent advances in vision-language models (VLMs) have achieved impressive results on standard image-text tasks, yet their potential for visual procedure question answering (VP-QA)…

cs.CL2026★ 2 cited

Kimi K2.5: Visual Agentic Intelligence

Kimi Team, Tongtong Bai, Yifan Bai +333

We introduce Kimi K2.5, an open-source multimodal agentic model designed to advance general agentic intelligence. K2.5 emphasizes the joint optimization of text and vision so that…

cs.CL2025

How Far Are We from Genuinely Useful Deep Research Agents?

Dingling Zhang, He Zhu, Jincheng Ren +15

Deep Research Agents (DRAs) aim to automatically produce analyst-level reports through iterative information retrieval and synthesis. However, most existing DRAs were validated on…

cs.CL2025

ATLAS: A High-Difficulty, Multidisciplinary Benchmark for Frontier Scientific Reasoning

Hongwei Liu, Junnan Liu, Shudong Liu +33

The rapid advancement of Large Language Models (LLMs) has led to performance saturation on many established benchmarks, questioning their ability to distinguish frontier models. Co…

cs.MA2025

How Brittle is Agent Safety? Rethinking Agent Risk under Intent Concealment and Task Complexity

Zihan Ma, Dongsheng Zhu, Shudong Liu +6

Current safety evaluations for LLM-driven agents primarily focus on atomic harms, failing to address sophisticated threats where malicious intent is concealed or diluted within com…

cs.LG2025

Intern-S1: A Scientific Multimodal Foundation Model

Lei Bai, Zhongrui Cai, Yuhang Cao +173

In recent years, a plethora of open-source foundation models have emerged, achieving remarkable progress in some widely attended fields, with performance being quite close to that…

cs.LG2025

FedMP: Tackling Medical Feature Heterogeneity in Federated Learning from a Manifold Perspective

Zhekai Zhou, Shudong Liu, Zhaokun Zhou +4

Federated learning (FL) is a decentralized machine learning paradigm in which multiple clients collaboratively train a shared model without sharing their local private data. Howeve…

cs.CL2025

CompassVerifier: A Unified and Robust Verifier for LLMs Evaluation and Outcome Reward

Shudong Liu, Hongwei Liu, Junnan Liu +8

Answer verification is crucial not only for evaluating large language models (LLMs) by matching their unstructured outputs against standard answers, but also serves as the reward m…

cs.CL2025

Deciphering Trajectory-Aided LLM Reasoning: An Optimization Perspective

Junnan Liu, Hongwei Liu, Linchen Xiao +5

We propose a novel framework for comprehending the reasoning capabilities of large language models (LLMs) through the perspective of meta-learning. By conceptualizing reasoning tra…

cs.CL2025

Harnessing the Reasoning Economy: A Survey of Efficient Reasoning for Large Language Models

Rui Wang, Hongru Wang, Boyang Xue +9

Recent advancements in Large Language Models (LLMs) have significantly enhanced their ability to perform complex reasoning tasks, transitioning from fast and intuitive thinking (Sy…

cs.AI2025★ 2 cited

CultureVLM: Characterizing and Improving Cultural Understanding of Vision-Language Models for over 100 Countries

Shudong Liu, Yiqiao Jin, Cheng Li +6

Vision-language models (VLMs) have advanced human-AI interaction but struggle with cultural understanding, often misinterpreting symbols, gestures, and artifacts due to biases in p…

cs.CL2024

Learning from "Silly" Questions Improves Large Language Models, But Only Slightly

Tingyuan Zhu, Shudong Liu, Yidong Wang +4

Constructing high-quality Supervised Fine-Tuning (SFT) datasets is critical for the training of large language models (LLMs). Recent studies have shown that using data from a speci…

cs.CL2024★ 1 cited

Is Your Model Really A Good Math Reasoner? Evaluating Mathematical Reasoning with Checklist

Zihao Zhou, Shudong Liu, Maizhen Ning +6

Exceptional mathematical reasoning ability is one of the key features that demonstrate the power of large language models (LLMs). How to comprehensively define and evaluate the mat…

cs.CL2023★ 2 cited

Can LMs Generalize to Future Data? An Empirical Analysis on Text Summarization

Chi Seng Cheang, Hou Pong Chan, Derek F. Wong +5

Recent pre-trained language models (PLMs) achieve promising results in existing abstractive summarization datasets. However, existing summarization benchmarks overlap in time with…

physics.flu-dyn2021★ 2 cited

Deep learning based on mixed-variable physics informed neural network for solving fluid dynamics without simulation data

Guang-Tao Zhang, Chen Cheng, Shu-dong Liu +2

Deep learning method has attracted tremendous attention to handle fluid dynamics in recent years. However, the deep learning method requires much data to guarantee the generalizati…