activity
20182026
most citedFerret: Refer and Ground Anything Anywhere at Any Granularity

43 citations · 108 across the 70 of their papers we have counts for

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10 papers · 1 filter

cs.AI2026

Incorporating Cognitive Load and Knowledge Transfer for Multi-Domain Knowledge Tracing

Haotian Zhang, Shucun Wang, Jinze Wu +6

Knowledge Tracing (KT) aims to assess students' dynamic knowledge states from their learning histories. While most existing KT methods focus on single-domain learning with notable…

cs.AI2026

Branch2Skill: Efficient Skill Evolution Through Reasoning Trees

Yanwei Ren, Haotian Zhang, Likang Xiao +5

Skill evolution improves agent skills through feedback over time, with failed trajectories often providing informative signals by revealing incomplete or misleading behaviors. Howe…

cs.AI2026

PERMA: Benchmarking Personalized Memory Agents via Event-Driven Preference and Realistic Task Environments

Shuochen Liu, Junyi Zhu, Long Shu +11

Empowering large language models with long-term memory is crucial for building agents that adapt to users' evolving needs. Existing evaluations of this capability typically interle…

cs.AI2026

Recycling Failures: Salvaging Exploration in RLVR via Fine-Grained Off-Policy Guidance

Yanwei Ren, Haotian Zhang, Likang Xiao +6

Reinforcement Learning from Verifiable Rewards (RLVR) has emerged as a powerful paradigm for enhancing the complex reasoning capabilities of Large Reasoning Models. However, standa…

cs.AI2025

Look as You Think: Unifying Reasoning and Visual Evidence Attribution for Verifiable Document RAG via Reinforcement Learning

Shuochen Liu, Pengfei Luo, Chao Zhang +6

Aiming to identify precise evidence sources from visual documents, visual evidence attribution for visual document retrieval-augmented generation (VD-RAG) ensures reliable and veri…

cs.AI2025

ContextPRM: Leveraging Contextual Coherence for multi-domain Test-Time Scaling

Haotian Zhang, Liu Liu, Baosheng Yu +5

Process reward models (PRMs) have demonstrated significant efficacy in enhancing the mathematical reasoning capabilities of large language models (LLMs) by leveraging test-time sca…

cs.AI2025

SIGMA: Refining Large Language Model Reasoning via Sibling-Guided Monte Carlo Augmentation

Yanwei Ren, Haotian Zhang, Fuxiang Wu +4

Enhancing large language models by simply scaling up datasets has begun to yield diminishing returns, shifting the spotlight to data quality. Monte Carlo Tree Search (MCTS) has eme…

cs.AI2025

Towards Generating Controllable and Solvable Geometry Problem by Leveraging Symbolic Deduction Engine

Zhuoxuan Jiang, Tianyang Zhang, Peiyan Peng +6

Generating high-quality geometry problems is both an important and challenging task in education. Compared to math word problems, geometry problems further emphasize multi-modal fo…

cs.AI2025

MathMistake Checker: A Comprehensive Demonstration for Step-by-Step Math Problem Mistake Finding by Prompt-Guided LLMs

Tianyang Zhang, Zhuoxuan Jiang, Haotian Zhang +2

We propose a novel system, MathMistake Checker, designed to automate step-by-step mistake finding in mathematical problems with lengthy answers through a two-stage process. The sys…

cs.AI2024

Improve Vision Language Model Chain-of-thought Reasoning

Ruohong Zhang, Bowen Zhang, Yanghao Li +6

Chain-of-thought (CoT) reasoning in vision language models (VLMs) is crucial for improving interpretability and trustworthiness. However, current training recipes lack robust CoT r…