Investigating and Modeling the Dynamics of Long Ties

1 code implementation • 22 Sep 2021 • Ding Lyu, Yuan Yuan, Lin Wang, Xiaofan Wang, Alex Pentland

Long ties, the social ties that bridge different communities, are widely believed to play crucial roles in spreading novel information in social networks.

APAN: Asynchronous Propagation Attention Network for Real-time Temporal Graph Embedding

1 code implementation • 23 Nov 2020 • Xuhong Wang, Ding Lyu, Mengjian Li, Yang Xia, Qi Yang, Xinwen Wang, Xinguang Wang, Ping Cui, Yupu Yang, Bowen Sun, Zhenyu Guo

Limited by the time complexity of querying k-hop neighbors in a graph database, most graph algorithms cannot be deployed online and execute millisecond-level inference.

Fraud Detection Graph Embedding