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Xiaoyong Li

7 accepted papers

2026

4DVarGen: A 4D Variational-Inspired Generative Model for Eddy-Resolving Surface Ocean Reconstruction

IJCAI 2026

Sea surface variable reconstruction from sparse observations is a key ocean-science challenge. Traditional methods, such as the four-dimensional variational (4DVar) approach, rely on numerical models for background information, leading to high computational costs. Deep learning methods are more effi

Cited by 0Scholar
2025

DocKS-RAG: Optimizing Document-Level Relation Extraction through LLM-Enhanced Hybrid Prompt Tuning

ICML 2025poster

Document-level relation extraction (RE) aims to extract comprehensive correlations between entities and relations from documents. Most of existing works conduct transfer learning on pre-trained language models (PLMs), which allows for richer contextual representation to improve the performance. Howe…

Cited by 0SourcePDFScholar
2025

Empowering Multimodal Road Traffic Profiling with Vision Language Models and Frequency Spectrum Fusion

IJCAI 2025

With the rapid urbanization in the modern era, smart traffic profiling based on multimodal sources of data has been playing a significant role in ensuring safe travel, reducing traffic congestion and optimizing urban mobility. Most existing methods for traffic profiling on the road level usually uti

Cited by 0SourcePDFScholar
2025

FALCON: Adaptive Cross-Domain APT Attack Investigation with Federated Causal Learning

UAI 2025

With the extensive deployment and application of Internet of Things (IoT) devices, vulnerable edge nodes have emerged as primary targets for Advanced Persistent Threat (APT) attacks. Attackers compromise IoT terminal devices to establish an initial foothold and subsequently exploit lateral movement

Cited by 0SourcePDFScholar
2025

MEGAD: A Memory-Efficient Framework for Large-Scale Attributed Graph Anomaly Detection

IJCAI 2025

Graph anomaly detection (GAD), with its ability to accurately identify anomalous patterns in graph data, plays a vital role in areas such as network security, social media platforms, and fraud detection. Graph autoencoder-based methods are widely used for GAD due to their efficiency and effectivenes

2025

NLGT: Neighborhood-based and Label-enhanced Graph Transformer Framework for Node Classification

AAAI 2025technical

Graph Neural Networks (GNNs) are widely applied on graph-level tasks, such as node classification, link prediction and graph generation. Existing GNNs mostly adopt a message-passing mechanism to aggregate node information with their neighbors, which often makes node information similar after rounds…