Lianghao Xia
15 papers · 2021–2025 · 7 venues · across top CS/AI venues
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Achievements
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π£ Hot Topic Early Bird π Conference Polyglot Β· Silver π Interdisciplinary Bridge Β· Silver πΊοΈ Taxonomy Completionist (31) π Triple Crown
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Dynamic Duo
(15)
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Grand Slam
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Prolific Year Β· Productive
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Century Club Β· Bronze
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Renaissance Researcher
(6)
ποΈ
Keyword Collector
(80)
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Research topics
Machine Learning
(11)
Deep Learning
(10)
Artificial Intelligence
(8)
Architectures
(8)
Core Methods
(7)
Learning Types Β· Machine Learning
(7)
Core AI
(5)
Learning Paradigms
(4)
Data Science & Analytics
(3)
Application Areas
(3)
Applications
(3)
Learning Types Β· Deep Learning
(3)
Techniques
(3)
Knowledge & Reasoning
(2)
Representation
(2)
Keywords
graph neural network
(6)
knowledge graph
(4)
collaborative filtering
(3)
graph transformer
(2)
zero-shot learning
(2)
self-supervised learning
(2)
large language model
(2)
node classification
(2)
representation learning
(2)
contrastive learning
(2)
link prediction
(2)
attention mechanism
(2)
social recommendation
(2)
semantic alignment
(1)
temporal encoding
(1)
hypergraph learning
(1)
text generation
(1)
in-context learning
(1)
multi-task learning
(1)
message passing
(1)
Papers
GraphAgent: Agentic Graph Language Assistant
EMNLP 2025
LightRAG: Simple and Fast Retrieval-Augmented Generation
EMNLP 2025
RecGPT: A Foundation Model for Sequential Recommendation
EMNLP 2025
RecLM: Recommendation Instruction Tuning
ACL 2025
FlashST: A Simple and Universal Prompt-Tuning Framework for Traffic Prediction
ICML 2024
OpenGraph: Towards Open Graph Foundation Models
EMNLP 2024
Denoised Self-Augmented Learning for Social Recommendation
IJCAI 2023
GPT-ST: Generative Pre-Training of Spatio-Temporal Graph Neural Networks
NeurIPS 2023
LightGCL: Simple Yet Effective Graph Contrastive Learning for Recommendation
ICLR 2023
Spatial-Temporal Graph Learning with Adversarial Contrastive Adaptation
ICML 2023
Graph-Enhanced Multi-Task Learning of Multi-Level Transition Dynamics for Session-based Recommendation
AAAI 2021
Knowledge-aware Coupled Graph Neural Network for Social Recommendation
AAAI 2021
Knowledge-Enhanced Hierarchical Graph Transformer Network for Multi-Behavior Recommendation
AAAI 2021
Spatial-Temporal Sequential Hypergraph Network for Crime Prediction with Dynamic Multiplex Relation Learning
IJCAI 2021
Traffic Flow Forecasting with Spatial-Temporal Graph Diffusion Network
AAAI 2021