Xiangfeng Luo
4 papers · 2024–2025 · 3 venues · across top CS/AI venues
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Achievements
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Conference Polyglot · Bronze
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Taxonomy Completionist
(13)
Top co-authors
Research topics
Keywords
graph neural network
(2)
fraud detection
(2)
semi-supervised learning
(2)
knowledge graph completion
(2)
consistency regularization
(2)
graph-based learning
(1)
noise robustness
(1)
generative model
(1)
disentangled representation
(1)
denoising diffusion
(1)
feature augmentation
(1)
large language model
(1)
denoising attention
(1)
limited label
(1)
hyper-relational knowledge graph
(1)
representation learning
(1)
contextual fact
(1)
contrastive learning
(1)
link prediction
(1)
entropy minimization
(1)
Papers
Context-aware Graph Neural Network for Graph-based Fraud Detection with Extremely Limited Labels
AAAI 2025
HDiff: Confidence-Guided Denoising Diffusion for Robust Hyper-relational Link Prediction
EMNLP 2025
Barely Supervised Learning for Graph-Based Fraud Detection
AAAI 2024
COSIGN: Contextual Facts Guided Generation for Knowledge Graph Completion
NAACL 2024