collaborators

8 papers

cs.AI2026

SpotAgent: Grounding Visual Geo-localization in Large Vision-Language Models through Agentic Reasoning

Furong Jia, Ling Dai, Wenjin Deng +4

Large Vision-Language Models (LVLMs) have demonstrated strong reasoning capabilities in geo-localization, yet they often struggle in real-world scenarios where visual cues are spar…

cs.CL2026

Step 3.5 Flash: Open Frontier-Level Intelligence with 11B Active Parameters

Ailin Huang, Ang Li, Aobo Kong +213

We introduce Step 3.5 Flash, a sparse Mixture-of-Experts (MoE) model that bridges frontier-level agentic intelligence and computational efficiency. We focus on what matters most wh…

cs.CL2025

Learning to Compress: Unlocking the Potential of Large Language Models for Text Representation

Yeqin Zhang, Yizheng Zhao, Chen Hu +4

Text representation plays a critical role in tasks like clustering, retrieval, and other downstream applications. With the emergence of large language models (LLMs), there is incre…

cs.AI2025

SE-Agent: Self-Evolution Trajectory Optimization in Multi-Step Reasoning with LLM-Based Agents

Jiaye Lin, Yifu Guo, Yuzhen Han +11

Large Language Model (LLM)-based agents have recently shown impressive capabilities in complex reasoning and tool use via multi-step interactions with their environments. While the…

cs.LG2025

Random Policy Valuation is Enough for LLM Reasoning with Verifiable Rewards

Haoran He, Yuxiao Ye, Qingpeng Cai +4

RL with Verifiable Rewards (RLVR) has emerged as a promising paradigm for improving the reasoning abilities of large language models (LLMs). Current methods rely primarily on polic…

cs.AI2025

Unearthing Gems from Stones: Policy Optimization with Negative Sample Augmentation for LLM Reasoning

Zhaohui Yang, Yuxiao Ye, Shilei Jiang +4

Recent advances in reasoning language models have witnessed a paradigm shift from short to long CoT pattern. Given the substantial computational cost of rollouts in long CoT models…