activity
20232026
most citedKnowledge Graphs and Pre-trained Language Models enhanced Representation Learning for Conversational Recommender Systems

27 citations · 44 across the 14 of their papers we have counts for

collaborators

15 papers

cs.RO2026

Spotter: Let the Embodied Model Lead, and the VLM Reflect for It

Long Li, Qichao Zhao, Yue Yang +6

Current embodied models do not respond to their own failures, although what just went wrong could inform a small adjustment on the next attempt, the kind of reflection behind the g…

cs.AI2026

Graph-Based Personalized Memory for LLM Agents: Representation, Evolution, Retrieval, and Evaluation

Dac Duy Anh Nguyen, Zhangchi Qiu, Shigeng Chen +1

Large Language Model (LLM) agents are evolving from single-session tools toward long-term personal assistants that must adapt to individual users across tasks, contexts, and intera…

cs.LG2026

PaSta: Noisy Node Classification with Partial Label Learning

Yujing Liu, Yixin Liu, Yu Zheng +3

Noisy node classification problem is a fundamental yet challenging task for real-world graph-related web services, where node labels are often corrupted or unreliable due to weak s…

cs.LG2026

LVCG: Learning ECG Representations in the Latent Vectorcardiogram Space

Bosong Huang, Panzhen Zhao, Zengxiang Li +5

Electrocardiography (ECG) is a cornerstone of cardiac assessment, making the learning of informative ECG representations fundamental to tasks ranging from disease diagnosis to clin…

cs.CR2025

Explainable and Fine-Grained Safeguarding of LLM Multi-Agent Systems via Bi-Level Graph Anomaly Detection

Junjun Pan, Yixin Liu, Rui Miao +5

Large language model (LLM)-based multi-agent systems (MAS) have shown strong capabilities in solving complex tasks. As MAS become increasingly autonomous in various safety-critical…

cs.LG2025

Correcting False Alarms from Unseen: Adapting Graph Anomaly Detectors at Test Time

Junjun Pan, Yixin Liu, Chuan Zhou +3

Graph anomaly detection (GAD), which aims to detect outliers in graph-structured data, has received increasing research attention recently. However, existing GAD methods assume ide…

cs.AI2025

G-reasoner: Foundation Models for Unified Reasoning over Graph-structured Knowledge

Linhao Luo, Zicheng Zhao, Junnan Liu +9

Large language models (LLMs) excel at complex reasoning but remain limited by static and incomplete parametric knowledge. Retrieval-augmented generation (RAG) mitigates this by inc…

cs.LG2025

OASIS: Harnessing Diffusion Adversarial Network for Ocean Salinity Imputation using Sparse Drifter Trajectories

Bo Li, Yingqi Feng, Ming Jin +10

Ocean salinity plays a vital role in circulation, climate, and marine ecosystems, yet its measurement is often sparse, irregular, and noisy, especially in drifter-based datasets. T…

cs.LG2025

A Label-Free Heterophily-Guided Approach for Unsupervised Graph Fraud Detection

Junjun Pan, Yixin Liu, Xin Zheng +4

Graph fraud detection (GFD) has rapidly advanced in protecting online services by identifying malicious fraudsters. Recent supervised GFD research highlights that heterophilic conn…

cs.CL2025

Graph Retrieval-Augmented LLM for Conversational Recommendation Systems

Zhangchi Qiu, Linhao Luo, Zicheng Zhao +2

Conversational Recommender Systems (CRSs) have emerged as a transformative paradigm for offering personalized recommendations through natural language dialogue. However, they face…

cs.CL2024★ 1 cited

Reasoning over User Preferences: Knowledge Graph-Augmented LLMs for Explainable Conversational Recommendations

Zhangchi Qiu, Linhao Luo, Shirui Pan +1

Conversational Recommender Systems (CRSs) aim to provide personalized recommendations by capturing user preferences through interactive dialogues. Explainability in CRSs is crucial…

cs.NE2024★ 1 cited

GPU Based Differential Evolution: New Insights and Comparative Study

Dylan Janssen, Wayne Pullan, Alan Wee-Chung Liew

Differential Evolution (DE) is a highly successful population based global optimisation algorithm, commonly used for solving numerical optimisation problems. However, as the comple…

cs.AI2024★ 6 cited

Large Language Models-guided Dynamic Adaptation for Temporal Knowledge Graph Reasoning

Jiapu Wang, Kai Sun, Linhao Luo +5

Temporal Knowledge Graph Reasoning (TKGR) is the process of utilizing temporal information to capture complex relations within a Temporal Knowledge Graph (TKG) to infer new knowled…

cs.CL2023★ 27 cited

Knowledge Graphs and Pre-trained Language Models enhanced Representation Learning for Conversational Recommender Systems

Zhangchi Qiu, Ye Tao, Shirui Pan +1

Conversational recommender systems (CRS) utilize natural language interactions and dialogue history to infer user preferences and provide accurate recommendations. Due to the limit…

cs.LG2023★ 9 cited

Towards Data-centric Graph Machine Learning: Review and Outlook

Xin Zheng, Yixin Liu, Zhifeng Bao +4

Data-centric AI, with its primary focus on the collection, management, and utilization of data to drive AI models and applications, has attracted increasing attention in recent yea…