activity
20222026
most citedTowards Large Reasoning Models: A Survey of Reinforced Reasoning with Large Language Models

18 citations · 83 across the 18 of their papers we have counts for

collaborators

20 papers

cs.LG2026

VETTA: Coordinating Turn- and Token-Level Credit Assignment for Multi-Turn LLM Agents

Jiaju Chen, Min Yang, Jinghua Piao +4

Multi-turn LLM agents often receive sparse task feedback across several interactions, while generating each response token by token. This creates two related credit-assignment ques…

cs.AI2026

From Scoring to Acting: Outcome-Verified Comparative Self-Distillation for LLM Agents

Xu Xia, Jinghua Piao, Min Yang +3

Recent work on LLM agents is shifting from external capability elicitation to capability internalization, enabling agents to retain useful skills without retrieval at inference tim…

cs.CL2026

Ring-Zero: Scaling Zero RL to a Trillion Parameters for Emergent Reasoning

Xinyu Tang, Qianggang Cao, Yurou Liu +13

Reinforcement learning with verifiable rewards without human-annotated data, often referred to as zero RL, has emerged as a powerful paradigm for eliciting chain-of-thought reasoni…

cs.AI2026

SkillMaster: Toward Autonomous Skill Mastery in LLM Agents

Min Yang, Jinghua Piao, Xu Xia +4

Skills provide an effective mechanism for improving LLM agents on complex tasks, yet in existing agent frameworks, their creation, refinement, and selection are typically governed…

cs.IR2026

Enhancing Local Life Service Recommendation with Agentic Reasoning in Large Language Model

Shiteng Cao, Xiaochong Lan, Yuwei Du +4

Local life service recommendation is distinct from general recommendation scenarios due to its strong living need-driven nature. Fundamentally, accurately identifying a user's imme…

cs.AI2025

AutoQual: An LLM Agent for Automated Discovery of Interpretable Features for Review Quality Assessment

Xiaochong Lan, Jie Feng, Yinxing Liu +2

Ranking online reviews by their intrinsic quality is a critical task for e-commerce platforms and information services, impacting user experience and business outcomes. However, qu…

cs.AI2025

The Thinking Spectrum: An Empirical Study of Tunable Reasoning in LLMs through Model Merging

Xiaochong Lan, Yu Zheng, Shiteng Cao +1

The growing demand for large language models (LLMs) with tunable reasoning capabilities in many real-world applications highlights a critical need for methods that can efficiently…

cs.AI2025

Simulating Generative Social Agents via Theory-Informed Workflow Design

Yuwei Yan, Jinghua Piao, Xiaochong Lan +3

Recent advances in large language models have demonstrated strong reasoning and role-playing capabilities, opening new opportunities for agent-based social simulations. However, mo…

cs.AI2025

Open-Set Living Need Prediction with Large Language Models

Xiaochong Lan, Jie Feng, Yizhou Sun +5

Living needs are the needs people generate in their daily lives for survival and well-being. On life service platforms like Meituan, user purchases are driven by living needs, maki…

cs.AI2025

LocalGPT: Benchmarking and Advancing Large Language Models for Local Life Services in Meituan

Xiaochong Lan, Jie Feng, Jiahuan Lei +2

Large language models (LLMs) have exhibited remarkable capabilities and achieved significant breakthroughs across various domains, leading to their widespread adoption in recent ye…

cs.SI2025

AgentSociety: Large-Scale Simulation of LLM-Driven Generative Agents Advances Understanding of Human Behaviors and Society

Jinghua Piao, Yuwei Yan, Jun Zhang +13

Understanding human behavior and society is a central focus in social sciences, with the rise of generative social science marking a significant paradigmatic shift. By leveraging b…

cs.AI2025★ 18 cited

Towards Large Reasoning Models: A Survey of Reinforced Reasoning with Large Language Models

Fengli Xu, Qianyue Hao, Zefang Zong +17

Language has long been conceived as an essential tool for human reasoning. The breakthrough of Large Language Models (LLMs) has sparked significant research interest in leveraging…

cs.CL2024★ 14 cited

Depression Detection on Social Media with Large Language Models

Xiaochong Lan, Zhiguang Han, Yiming Cheng +4

Limited access to mental healthcare resources hinders timely depression diagnosis, leading to detrimental outcomes. Social media platforms present a valuable data source for early…

cs.AI2023★ 12 cited

Large Language Models Empowered Agent-based Modeling and Simulation: A Survey and Perspectives

Chen Gao, Xiaochong Lan, Nian Li +5

Agent-based modeling and simulation has evolved as a powerful tool for modeling complex systems, offering insights into emergent behaviors and interactions among diverse agents. In…

cs.CL2023★ 2 cited

Stance Detection with Collaborative Role-Infused LLM-Based Agents

Xiaochong Lan, Chen Gao, Depeng Jin +1

Stance detection automatically detects the stance in a text towards a target, vital for content analysis in web and social media research. Despite their promising capabilities, LLM…

cs.IR2023★ 3 cited

NEON: Living Needs Prediction System in Meituan

Xiaochong Lan, Chen Gao, Shiqi Wen +6

Living needs refer to the various needs in human's daily lives for survival and well-being, including food, housing, entertainment, etc. On life service platforms that connect user…

cs.SI2023★ 8 cited

S: Social-network Simulation System with Large Language Model-Empowered Agents

Chen Gao, Xiaochong Lan, Zhihong Lu +5

Social network simulation plays a crucial role in addressing various challenges within social science. It offers extensive applications such as state prediction, phenomena explanat…

cs.CY2022★ 14 cited

A Mixed-Methods Analysis of the Algorithm-Mediated Labor of Online Food Deliverers in China

Zhilong Chen, Xiaochong Lan, Jinghua Piao +2

In recent years, China has witnessed the proliferation and success of the online food delivery industry, an emerging type of the gig economy. Online food deliverers who deliver the…

cs.CY2022★ 12 cited

Practitioners Versus Users: A Value-Sensitive Evaluation of Current Industrial Recommender System Design

Zhilong Chen, Jinghua Piao, Xiaochong Lan +4

Recommender systems are playing an increasingly important role in alleviating information overload and supporting users' various needs, e.g., consumption, socialization, and entert…

cs.CY2022

Beyond Virtual Bazaar: How Social Commerce Promotes Inclusivity for the Traditionally Underserved Community in Chinese Developing Regions

Zhilong Chen, Hancheng Cao, Xiaochong Lan +2

The disadvantaged population is often underserved and marginalized in technology engagement: prior works show they are generally more reluctant and experience more barriers in adop…