Semantic trajectory representation and retrieval via hierarchical embedding

C Gao, Z Zhang, C Huang, H Yin, Q Yang, J Shao - Information Sciences, 2020 - Elsevier
Trajectory mining has gained growing attention due to its emerging applications, such as
location-based services, urban computing, and movement behavior analyses. One critical …

Ssne: Effective node representation for link prediction in sparse networks

MR Chen, P Huang, Y Lin, SM Cai - IEEE access, 2021 - ieeexplore.ieee.org
Graph embedding is gaining popularity for link prediction in complex networks. However,
few works focus on the effectiveness of graph embedding models on link prediction in …

Robust semi-supervised non-negative matrix factorization with structured normalization

L Wang, N Guan, D Shi, Z Fan, L Su - IEEE Access, 2019 - ieeexplore.ieee.org
Non-negative matrix factorization (NMF) approximates a non-negative data matrix with the
product of two low-rank non-negative matrices by minimizing the cost of such approximation …