Ensemble clustering via fusing global and local structure information

J Xu, T Li, D Zhang, J Wu - Expert Systems with Applications, 2024 - Elsevier
Ensemble clustering is aimed at obtaining a robust consensus result from a set of weak base
clusterings. Most existing methods rely on a co-association (CA) matrix that describes the …

Class-overlap detection based on heterogeneous clustering ensemble for multi-class imbalance problem

Q Dai, L Wang, K Xu, T Du, L Chen - Expert Systems with Applications, 2024 - Elsevier
The class imbalance problem is one of the main challenges that hinders classifiers from
identifying unknown instances. When class distribution imbalance and class overlap coexist …

Bi-level ensemble method for unsupervised feature selection

P Zhou, X Wang, L Du - Information Fusion, 2023 - Elsevier
Unsupervised feature selection is an important machine learning task and thus attracts
increasingly more attention. However, due to the absence of labels, unsupervised feature …

Clustering ensemble via diffusion on adaptive multiplex

P Zhou, B Hu, D Yan, L Du - IEEE Transactions on Knowledge …, 2023 - ieeexplore.ieee.org
Existing clustering ensemble methods often directly integrate multiple weak base results to
obtain a consensus one which can improve the clustering performance. However, since the …

Weighted adaptively ensemble clustering method based on fuzzy co-association matrix

Z Bian, J Qu, J Zhou, Z Jiang, S Wang - Information Fusion, 2024 - Elsevier
Although many existing co-association (CA) matrix-based ensemble clustering methods
have witnessed their superiority in unsupervised learning, but these methods still suffer the …

Enhancing ensemble clustering with adaptive high-order topological weights

J Xu, T Li, L Duan - Proceedings of the AAAI Conference on Artificial …, 2024 - ojs.aaai.org
Ensemble clustering learns more accurate consensus results from a set of weak base
clustering results. This technique is more challenging than other clustering algorithms due to …

Weighted self-paced learning with belief functions

S Zhang, D Han, J Dezert, Y Yang - Expert Systems with Applications, 2024 - Elsevier
Employing a learning strategy analogous to human, from the easy to the difficult, better
classifiers could be achieved in a complicated pattern classification from different domains …

Partial clustering ensemble

P Zhou, L Du, X Liu, Z Ling, X Ji, X Li… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Clustering ensemble often provides robust and stable results without accessing original
features of data, and thus has been widely studied. The conventional clustering ensemble …

[HTML][HTML] Anomaly detection based on GCNs and DBSCAN in a large-scale graph

C Retiti Diop Emane, S Song, H Lee, D Choi, J Lim… - Electronics, 2024 - mdpi.com
Anomaly detection is critical across domains, from cybersecurity to fraud prevention. Graphs,
adept at modeling intricate relationships, offer a flexible framework for capturing complex …

Hybrid metaheuristic schemes with different configurations and feedback mechanisms for optimal clustering applications

DN Molokomme, AJ Onumanyi, AM Abu-Mahfouz - Cluster Computing, 2024 - Springer
This paper addresses the critical gap in the understanding of the effects of various
configurations and feedback mechanisms on the performance of hybrid metaheuristics …