activity
20212026
most citedMulti-View Reasoning: Consistent Contrastive Learning for Math Word Problem

15 citations · 74 across the 40 of their papers we have counts for

collaborators

43 papers

cs.CL2026

RetireOPD: Self-Retiring On-Policy Distillation for Agentic Reinforcement Learning

Yan Yu, Zhengxi Lu, Yizhou Liu +8

Multi-turn agents trained with reinforcement learning (RL) receive a single scalar reward per trajectory, which motivates self on-policy distillation (OPD) to supply dense token-le…

cs.CL2026

PaperGym: Rubric-Centered Evolution for Research-Plan Generation

Yuhan Wang, Zhengxi Lu, Yuchen Yan +6

Research planning is the decisive capability of AI scientists. Yet a research plan admits no verifiable answer, so reinforcement learning lacks the environment it requires: tasks p…

cs.RO2026

Embodied-Navigator: Point, Think, Memorize, and Align for Efficient Navigation

Hongyan Feng, Sunlai Chen, Xuanyu Liu +9

Although Large Vision-Language Models (VLMs) have significantly advanced embodied navigation, their direct deployment remains challenging, as existing methods often force VLMs into…

cs.CV2026

Show, Don't Tell: Evaluating Spatial Cognition in Generative Pixels Rather Than LLM Text

Xu Wang, Kaixiang Yao, Miao Pan +4

Spatial intelligence is essential for agents to move from static semantic understanding toward interacting with the physical world. Many spatial tasks are grounded in continuous vi…

cs.RO2026

VLA-Corrector: Lightweight Detect-and-Correct Inference for Adaptive Action Horizon

Yi Pan, Miao Pan, Qi Lu +8

Vision-Language-Action (VLA) foundation models have recently achieved strong progress in embodied intelligence. To reduce policy-call frequency while preserving temporal coherence,…

cs.CL2026

Pause or Fabricate? Training Language Models for Grounded Reasoning

Yiwen Qiu, Linjuan Wu, Yizhou Liu +9

Large language models have achieved remarkable progress on complex reasoning tasks. However, they often implicitly fabricate information when inputs are incomplete, producing confi…

cs.LG2026

UI-Copilot: Advancing Long-Horizon GUI Automation via Tool-Integrated Policy Optimization

Zhengxi Lu, Fei Tang, Guangyi Liu +8

MLLM-based GUI agents have demonstrated strong capabilities in complex user interface interaction tasks. However, long-horizon scenarios remain challenging, as these agents are bur…

cs.AI2026

KnowU-Bench: Towards Interactive, Proactive, and Personalized Mobile Agent Evaluation

Tongbo Chen, Zhengxi Lu, Zhan Xu +13

Personalized mobile agents that infer user preferences and calibrate proactive assistance hold great promise as everyday digital assistants, yet existing benchmarks fail to capture…

cs.CL2025

Active Confusion Expression in Large Language Models: Leveraging World Models toward Better Social Reasoning

Jialu Du, Guiyang Hou, Yihui Fu +4

While large language models (LLMs) excel in mathematical and code reasoning, we observe they struggle with social reasoning tasks, exhibiting cognitive confusion, logical inconsist…

cs.CV2025

SpatialLadder: Progressive Training for Spatial Reasoning in Vision-Language Models

Hongxing Li, Dingming Li, Zixuan Wang +7

Spatial reasoning remains a fundamental challenge for Vision-Language Models (VLMs), with current approaches struggling to achieve robust performance despite recent advances. We id…

cs.CL2025

EasySteer: A Unified Framework for High-Performance and Extensible LLM Steering

Haolei Xu, Xinyu Mei, Yuchen Yan +5

Large language model (LLM) steering has emerged as a promising paradigm for controlling model behavior at inference time through targeted manipulation of hidden states, offering a…

cs.CV2025★ 1 cited

GSM8K-V: Can Vision Language Models Solve Grade School Math Word Problems in Visual Contexts

Fan Yuan, Yuchen Yan, Yifan Jiang +9

Mathematical reasoning is a key capability for vision-language models (VLMs), yet current benchmarks mainly evaluate text-based or explicitly symbolic visual inputs. It remains unc…

cs.CL2025★ 1 cited

Cooper: Co-Optimizing Policy and Reward Models in Reinforcement Learning for Large Language Models

Haitao Hong, Yuchen Yan, Xingyu Wu +5

Large language models (LLMs) have demonstrated remarkable performance in reasoning tasks, where reinforcement learning (RL) serves as a key algorithm for enhancing their reasoning…

cs.CL2025

GroundAct: Can LLM Agents Ground Actions in Environmental States?

Zixuan Wang, Dingming Li, Hongxing Li +8

LLM agents achieve 85-96% success on tasks where instructions fully specify the action, but drop to 29-53% when action feasibility depends on environmental state that the instructi…

cs.LG2025

GUI-G: Gaussian Reward Modeling for GUI Grounding

Fei Tang, Zhangxuan Gu, Zhengxi Lu +9

Graphical User Interface (GUI) grounding maps natural language instructions to precise interface locations for autonomous interaction. Current reinforcement learning approaches use…

cs.CV2025

SVGenius: Benchmarking LLMs in SVG Understanding, Editing and Generation

Siqi Chen, Xinyu Dong, Haolei Xu +10

Large Language Models (LLMs) and Multimodal LLMs have shown promising capabilities for SVG processing, yet existing benchmarks suffer from limited real-world coverage, lack of comp…

cs.CL2025

TimeHC-RL: Temporal-aware Hierarchical Cognitive Reinforcement Learning for Enhancing LLMs' Social Intelligence

Guiyang Hou, Xing Gao, Yuchuan Wu +8

Recently, Large Language Models (LLMs) have made significant progress in IQ-related domains that require careful thinking, such as mathematics and coding. However, enhancing LLMs'…

cs.CV2025

ViewSpatial-Bench: Evaluating Multi-perspective Spatial Localization in Vision-Language Models

Dingming Li, Hongxing Li, Zixuan Wang +9

Vision-language models (VLMs) have demonstrated remarkable capabilities in understanding and reasoning about visual content, but significant challenges persist in tasks requiring c…

cs.CL2025

Let LRMs Break Free from Overthinking via Self-Braking Tuning

Haoran Zhao, Yuchen Yan, Yongliang Shen +7

Large reasoning models (LRMs), such as OpenAI o1 and DeepSeek-R1, have significantly enhanced their reasoning capabilities by generating longer chains of thought, demonstrating out…

cs.HC2025★ 1 cited

A Survey on (M)LLM-Based GUI Agents

Fei Tang, Haolei Xu, Hang Zhang +12

Graphical User Interface (GUI) Agents have emerged as a transformative paradigm in human-computer interaction, evolving from rule-based automation scripts to sophisticated AI-drive…

cs.AI2025

Think Twice, Click Once: Enhancing GUI Grounding via Fast and Slow Systems

Fei Tang, Yongliang Shen, Hang Zhang +7

Humans can flexibly switch between different modes of thinking based on task complexity: from rapid intuitive judgments to in-depth analytical understanding. However, current Graph…

cs.CL2025

Embodied-Reasoner: Synergizing Visual Search, Reasoning, and Action for Embodied Interactive Tasks

Wenqi Zhang, Mengna Wang, Gangao Liu +10

Recent advances in deep thinking models have demonstrated remarkable reasoning capabilities on mathematical and coding tasks. However, their effectiveness in embodied domains which…

cs.CL2025★ 1 cited

DB-Explore: Automated Database Exploration and Instruction Synthesis for Text-to-SQL

Haoyuan Ma, Yongliang Shen, Hengwei Liu +5

Recent text-to-SQL systems powered by large language models (LLMs) have demonstrated remarkable performance in translating natural language queries into SQL. However, these systems…

cs.CL2025

AskToAct: Enhancing LLMs Tool Use via Self-Correcting Clarification

Xuan Zhang, Yongliang Shen, Zhe Zheng +6

Large language models (LLMs) have demonstrated remarkable capabilities in tool learning. In real-world scenarios, user queries are often ambiguous and incomplete, requiring effecti…