activity
20012023
most citedThe scaling of human mobility by taxis is exponential

244 citations · 684 across the 18 of their papers we have counts for

collaborators

18 papers

cs.LG2023★ 3 cited

Conditional Diffusion Based on Discrete Graph Structures for Molecular Graph Generation

Han Huang, Leilei Sun, Bowen Du +1

Learning the underlying distribution of molecular graphs and generating high-fidelity samples is a fundamental research problem in drug discovery and material science. However, acc…

cs.LG2022★ 2 cited

GraphGDP: Generative Diffusion Processes for Permutation Invariant Graph Generation

Han Huang, Leilei Sun, Bowen Du +2

Graph generative models have broad applications in biology, chemistry and social science. However, modelling and understanding the generative process of graphs is challenging due t…

cs.LG2022★ 41 cited

Continuous-Time and Multi-Level Graph Representation Learning for Origin-Destination Demand Prediction

Liangzhe Han, Xiaojian Ma, Leilei Sun +4

Traffic demand forecasting by deep neural networks has attracted widespread interest in both academia and industry society. Among them, the pairwise Origin-Destination (OD) demand…

cs.LG2022★ 2 cited

Continuous-Time User Preference Modelling for Temporal Sets Prediction

Le Yu, Zihang Liu, Leilei Sun +3

Given a sequence of sets, where each set has a timestamp and contains an arbitrary number of elements, temporal sets prediction aims to predict the elements in the subsequent set.…

cs.CY2021★ 1 cited

Harnessing Context for Budget-Limited Crowdsensing with Massive Uncertain Workers

Feng Li, Jichao Zhao, Dongxiao Yu +2

Crowdsensing is an emerging paradigm of ubiquitous sensing, through which a crowd of workers are recruited to perform sensing tasks collaboratively. Although it has stimulated many…

cs.LG2021★ 89 cited

Heterogeneous Graph Representation Learning with Relation Awareness

Le Yu, Leilei Sun, Bowen Du +3

Representation learning on heterogeneous graphs aims to obtain meaningful node representations to facilitate various downstream tasks, such as node classification and link predicti…