collaborators

7 papers

cs.AI2025

Klear-AgentForge: Forging Agentic Intelligence through Posttraining Scaling

Qi Wang, Hongzhi Zhang, Jia Fu +12

Despite the proliferation of powerful agentic models, the lack of critical post-training details hinders the development of strong counterparts in the open-source community. In thi…

cs.AI2025

Leanabell-Prover: Posttraining Scaling in Formal Reasoning

Jingyuan Zhang, Qi Wang, Xingguang Ji +6

Recent advances in automated theorem proving (ATP) through LLMs have highlighted the potential of formal reasoning with Lean 4 codes. However, ATP has not yet be revolutionized by…

cs.AI2025

Leanabell-Prover-V2: Verifier-integrated Reasoning for Formal Theorem Proving via Reinforcement Learning

Xingguang Ji, Yahui Liu, Qi Wang +7

We introduce our Leanabell-Prover-V2, a 7B large language models (LLMs) that can produce formal theorem proofs in Lean 4, with verifier-integrated Long Chain-of-Thoughts (CoT). Fol…

cs.CL2025

DynTok: Dynamic Compression of Visual Tokens for Efficient and Effective Video Understanding

Hongzhi Zhang, Jingyuan Zhang, Xingguang Ji +2

Typical video modeling methods, such as LLava, represent videos as sequences of visual tokens, which are then processed by the LLM backbone for effective video understanding. Howev…

cs.CV2025

TUNA: Comprehensive Fine-grained Temporal Understanding Evaluation on Dense Dynamic Videos

Fanheng Kong, Jingyuan Zhang, Hongzhi Zhang +7

Videos are unique in their integration of temporal elements, including camera, scene, action, and attribute, along with their dynamic relationships over time. However, existing ben…

cs.CL2025

Data Metabolism: An Efficient Data Design Schema For Vision Language Model

Jingyuan Zhang, Hongzhi Zhang, Zhou Haonan +7

Data curation plays a crucial role in training powerful Visual Language Models (VLMs). In this work, we introduce the concept of Data Metabolism and present our data-centric framew…