activity
20152026
most citedGATGPT: A Pre-trained Large Language Model with Graph Attention Network for Spatiotemporal Imputation

6 citations · 7 across the 8 of their papers we have counts for

collaborators

8 papers

cs.IR2026

S2-CAR: Segmentation-Supervised Complexity-Adaptive Recommendation

Linjiang Guo, Nitin Bisht, Shiqing Wu +2

Sequential recommendation aims to predict user preferences from interaction histories, yet existing models often struggle when behavior patterns become complex and heterogeneous. A…

cs.IR2025

Listwise Preference Alignment Optimization for Tail Item Recommendation

Zihao Li, Chao Yang, Tong Zhang +4

Preference alignment has achieved greater success on Large Language Models (LLMs) and drawn broad interest in recommendation research. Existing preference alignment methods for rec…

cs.LG2025

Large Language Models are Few-shot Multivariate Time Series Classifiers

Yakun Chen, Zihao Li, Chao Yang +2

Large Language Models (LLMs) have been extensively applied in time series analysis. Yet, their utility in the few-shot classification (i.e., a crucial training scenario due to the…

cs.IR2024

Graph and Sequential Neural Networks in Session-based Recommendation: A Survey

Zihao Li, Chao Yang, Yakun Chen +5

Recent years have witnessed the remarkable success of recommendation systems (RSs) in alleviating the information overload problem. As a new paradigm of RSs, session-based recommen…

cs.LG2024

A Temporally Disentangled Contrastive Diffusion Model for Spatiotemporal Imputation

Yakun Chen, Kaize Shi, Zhangkai Wu +5

Spatiotemporal data analysis is pivotal across various domains, such as transportation, meteorology, and healthcare. The data collected in real-world scenarios are often incomplete…

cs.CV2023

Attention-aware Social Graph Transformer Networks for Stochastic Trajectory Prediction

Yao Liu, Binghao Li, Xianzhi Wang +2

Trajectory prediction is fundamental to various intelligent technologies, such as autonomous driving and robotics. The motion prediction of pedestrians and vehicles helps emergency…

cs.LG2023★ 6 cited

GATGPT: A Pre-trained Large Language Model with Graph Attention Network for Spatiotemporal Imputation

Yakun Chen, Xianzhi Wang, Guandong Xu

The analysis of spatiotemporal data is increasingly utilized across diverse domains, including transportation, healthcare, and meteorology. In real-world settings, such data often…

cs.CY2015★ 1 cited

Up in the Air: When Homes Meet the Web of Things

Lina Yao, Quan Z. Sheng, Boualem Benatallah +4

The emerging Internet of Things (IoT) will comprise billions of Web-enabled objects (or "things") where such objects can sense, communicate, compute and potentially actuate. WoT is…