activity
20212026
most citedMetaKG: Meta-learning on Knowledge Graph for Cold-start Recommendation

110 citations · 260 across the 12 of their papers we have counts for

collaborators

13 papers

cs.LG2026

SqLinear: Balanced Square Partitioning Makes Linear Interaction Sufficient for Large-Scale Traffic Forecasting

Yongfeng Su, Hongwen Li, Zijian Zhang +5

Traffic prediction is a core task in intelligent transportation systems and urban-scale decision making. Despite the effectiveness of mainstream neural network-based methods, their…

cs.DB2025

Beyond Relational: Semantic-Aware Multi-Modal Analytics with LLM-Native Query Optimization

Junhao Zhu, Lu Chen, Xiangyu Ke +4

Multi-modal analytical processing has the potential to transform applications in e-commerce, healthcare, entertainment, and beyond. However, real-world adoption remains elusive due…

cs.LG2025

Moon: A Modality Conversion-based Efficient Multivariate Time Series Anomaly Detection

Yuanyuan Yao, Yuhan Shi, Lu Chen +5

Multivariate time series (MTS) anomaly detection identifies abnormal patterns where each timestamp contains multiple variables. Existing MTS anomaly detection methods fall into thr…

cs.LG2025

FedTDP: A Privacy-Preserving and Unified Framework for Trajectory Data Preparation via Federated Learning

Zhihao Zeng, Ziquan Fang, Wei Shao +2

Trajectory data, which capture the movement patterns of people and vehicles over time and space, are crucial for applications like traffic optimization and urban planning. However,…

cs.LG2025

Causal Spatio-Temporal Prediction: An Effective and Efficient Multi-Modal Approach

Yuting Huang, Ziquan Fang, Zhihao Zeng +2

Spatio-temporal prediction plays a crucial role in intelligent transportation, weather forecasting, and urban planning. While integrating multi-modal data has shown potential for e…

cs.LG2025

Effective and Efficient Cross-City Traffic Knowledge Transfer: A Privacy-Preserving Perspective

Zhihao Zeng, Ziquan Fang, Yuting Huang +2

Traffic prediction aims to forecast future traffic conditions using historical traffic data, serving a crucial role in urban computing and transportation management. While transfer…

cs.DB2024

Real-Time Trajectory Synthesis with Local Differential Privacy

Yujia Hu, Yuntao Du, Zhikun Zhang +4

Trajectory streams are being generated from location-aware devices, such as smartphones and in-vehicle navigation systems. Due to the sensitive nature of the location data, directl…

cs.DS2023★ 3 cited

Spatio-Temporal Trajectory Similarity Measures: A Comprehensive Survey and Quantitative Study

Danlei Hu, Lu Chen, Hanxi Fang +3

Spatio-temporal trajectory analytics is at the core of smart mobility solutions, which offers unprecedented information for diversified applications such as urban planning, infrast…

cs.DB2023★ 67 cited

LDPTrace: Locally Differentially Private Trajectory Synthesis

Yuntao Du, Yujia Hu, Zhikun Zhang +4

Trajectory data has the potential to greatly benefit a wide-range of real-world applications, such as tracking the spread of the disease through people's movement patterns and prov…

cs.LG2022★ 1 cited

Estimator: An Effective and Scalable Framework for Transportation Mode Classification over Trajectories

Danlei Hu, Ziquan Fang, Hanxi Fang +4

Transportation mode classification, the process of predicting the class labels of moving objects transportation modes, has been widely applied to a variety of real world applicatio…

cs.IR2022★ 78 cited

Self-Guided Learning to Denoise for Robust Recommendation

Yunjun Gao, Yuntao Du, Yujia Hu +4

The ubiquity of implicit feedback makes them the default choice to build modern recommender systems. Generally speaking, observed interactions are considered as positive samples, w…

cs.IR2022★ 110 cited

MetaKG: Meta-learning on Knowledge Graph for Cold-start Recommendation

Yuntao Du, Xinjun Zhu, Lu Chen +2

A knowledge graph (KG) consists of a set of interconnected typed entities and their attributes. Recently, KGs are popularly used as the auxiliary information to enable more accurat…

cs.LG2021★ 1 cited

Deep Spatially and Temporally Aware Similarity Computation for Road Network Constrained Trajectories

Ziquan Fang, Yuntao Du, Xinjun Zhu +3

Trajectory similarity computation has drawn massive attention, as it is core functionality in a wide range of applications such as ride-sharing, traffic analysis, and social recomm…