activity
20162026
most citedSelf-supervised Graph Learning for Recommendation

1.5k citations · 2.9k across the 43 of their papers we have counts for

collaborators

46 papers

cs.AI2026

Preference Data Selection for Mitigating the Alignment Tax in Large Language Models

Minsu Kim, Jianxun Lian, Xing Xie +1

Aligning large language models to human preferences is crucial for real-world deployment but frequently incurs an alignment tax, leading to the catastrophic forgetting of pre-train…

cs.AI2026

Does Theory of Mind Improvement Really Benefit Human-AI Interactions? Empirical Findings from Interactive Evaluations

Nanxu Gong, Zixin Chen, Haotian Li +5

Improving the Theory of Mind (ToM) capability of Large Language Models (LLMs) is crucial for effective social interactions between these AI models and humans. However, the existing…

cs.AI2026

To Think or Not To Think, That is The Question for Large Reasoning Models in Theory of Mind Tasks

Nanxu Gong, Haotian Li, Sixun Dong +3

Theory of Mind (ToM) assesses whether models can infer hidden mental states such as beliefs, desires, and intentions, which is essential for natural social interaction. Although re…

cs.CV2026

Proact-VL: A Proactive VideoLLM for Real-Time AI Companions

Weicai Yan, Yuhong Dai, Qi Ran +6

Proactive and real-time interactive experiences are essential for human-like AI companions, yet face three key challenges: (1) achieving low-latency inference under continuous stre…

cs.CL2026★ 1 cited

HumanLLM: Towards Personalized Understanding and Simulation of Human Nature

Yuxuan Lei, Tianfu Wang, Jianxun Lian +3

Motivated by the remarkable progress of large language models (LLMs) in objective tasks like mathematics and coding, there is growing interest in their potential to simulate human…

cs.IR2026

Why not Collaborative Filtering in Dual View? Bridging Sparse and Dense Models

Hanze Guo, Jianxun Lian, Xiao Zhou

Collaborative Filtering (CF) remains the cornerstone of modern recommender systems, with dense embedding--based methods dominating current practice. However, these approaches suffe…

cs.LG2025

BPL: Bias-adaptive Preference Distillation Learning for Recommender System

SeongKu Kang, Jianxun Lian, Dongha Lee +6

Recommender systems suffer from biases that cause the collected feedback to incompletely reveal user preference. While debiasing learning has been extensively studied, they mostly…

cs.CL2025

Population-Aligned Persona Generation for LLM-based Social Simulation

Zhengyu Hu, Jianxun Lian, Zheyuan Xiao +10

Recent advances in large language models (LLMs) have enabled large-scale, high-fidelity social simulations, creating new opportunities for computational social science. However, co…

cs.CL2025

MotiveBench: How Far Are We From Human-Like Motivational Reasoning in Large Language Models?

Xixian Yong, Jianxun Lian, Xiaoyuan Yi +2

Large language models (LLMs) have been widely adopted as the core of agent frameworks in various scenarios, such as social simulations and AI companions. However, the extent to whi…

cs.CL2025

Unveiling the Learning Mind of Language Models: A Cognitive Framework and Empirical Study

Zhengyu Hu, Jianxun Lian, Zheyuan Xiao +5

Large language models (LLMs) have shown impressive capabilities across tasks such as mathematics, coding, and reasoning, yet their learning ability, which is crucial for adapting t…

cs.IR2025

Eliminating Out-of-Domain Recommendations in LLM-based Recommender Systems: A Unified View

Hao Liao, Jiwei Zhang, Jianxun Lian +7

Recommender systems based on Large Language Models (LLMs) are often plagued by hallucinations of out-of-domain (OOD) items. To address this, we propose RecLM, a unified framework t…

cs.AI2025

LLM-powered Multi-agent Framework for Goal-oriented Learning in Intelligent Tutoring System

Tianfu Wang, Yi Zhan, Jianxun Lian +5

Intelligent Tutoring Systems (ITSs) have revolutionized education by offering personalized learning experiences. However, as goal-oriented learning, which emphasizes efficiently ac…

cs.SI2024★ 2 cited

TrendSim: Simulating Trending Topics in Social Media Under Poisoning Attacks with LLM-based Multi-agent System

Zeyu Zhang, Jianxun Lian, Chen Ma +9

Trending topics have become a significant part of modern social media, attracting users to participate in discussions of breaking events. However, they also bring in a new channel…

cs.CL2024

CharacterBox: Evaluating the Role-Playing Capabilities of LLMs in Text-Based Virtual Worlds

Lei Wang, Jianxun Lian, Yi Huang +5

Role-playing is a crucial capability of Large Language Models (LLMs), enabling a wide range of practical applications, including intelligent non-player characters, digital twins, a…

cs.LG2024★ 1 cited

The Road to Artificial SuperIntelligence: A Comprehensive Survey of Superalignment

HyunJin Kim, DongHyun Ryu, Xiaoyuan Yi +6

The emergence of large language models (LLMs) has sparked discussion on Artificial Superintelligence (ASI), a hypothetical AI system that surpasses human intelligence. Although ASI…

cs.SI2024

COMET: NFT Price Prediction with Wallet Profiling

Tianfu Wang, Liwei Deng, Chao Wang +5

As the non-fungible token (NFT) market flourishes, price prediction emerges as a pivotal direction for investors gaining valuable insight to maximize returns. However, existing wor…

cs.IR2024★ 13 cited

RecAI: Leveraging Large Language Models for Next-Generation Recommender Systems

Jianxun Lian, Yuxuan Lei, Xu Huang +3

This paper introduces RecAI, a practical toolkit designed to augment or even revolutionize recommender systems with the advanced capabilities of Large Language Models (LLMs). RecAI…

cs.IR2024

Aligning Large Language Models for Controllable Recommendations

Wensheng Lu, Jianxun Lian, Wei Zhang +4

Inspired by the exceptional general intelligence of Large Language Models (LLMs), researchers have begun to explore their application in pioneering the next generation of recommend…

cs.AI2024★ 1 cited

GraphInstruct: Empowering Large Language Models with Graph Understanding and Reasoning Capability

Zihan Luo, Xiran Song, Hong Huang +5

Improving the general capabilities of large language models (LLMs) is an active research topic. As a common data structure in many real-world domains, understanding graph data is a…

cs.IR2024

Aligning Language Models for Versatile Text-based Item Retrieval

Yuxuan Lei, Jianxun Lian, Jing Yao +3

This paper addresses the gap between general-purpose text embeddings and the specific demands of item retrieval tasks. We demonstrate the shortcomings of existing models in capturi…

cs.IR2024

Ada-Retrieval: An Adaptive Multi-Round Retrieval Paradigm for Sequential Recommendations

Lei Li, Jianxun Lian, Xiao Zhou +1

Retrieval models aim at selecting a small set of item candidates which match the preference of a given user. They play a vital role in large-scale recommender systems since subsequ…

cs.AI2023★ 7 cited

The Good, The Bad, and Why: Unveiling Emotions in Generative AI

Cheng Li, Jindong Wang, Yixuan Zhang +7

Emotion significantly impacts our daily behaviors and interactions. While recent generative AI models, such as large language models, have shown impressive performance in various t…

cs.IR2023★ 7 cited

Knowledge Plugins: Enhancing Large Language Models for Domain-Specific Recommendations

Jing Yao, Wei Xu, Jianxun Lian +3

The significant progress of large language models (LLMs) provides a promising opportunity to build human-like systems for various practical applications. However, when applied to s…

cs.IR2023★ 24 cited

RecExplainer: Aligning Large Language Models for Explaining Recommendation Models

Yuxuan Lei, Jianxun Lian, Jing Yao +3

Recommender systems are widely used in online services, with embedding-based models being particularly popular due to their expressiveness in representing complex signals. However,…