Constrained K-means Clustering with Background Knowledge
ICML '01 Proceedings of the Eighteenth International Conference on Machine Learning
Integrating constraints and metric learning in semi-supervised clustering
ICML '04 Proceedings of the twenty-first international conference on Machine learning
Efficient incremental constrained clustering
Proceedings of the 13th ACM SIGKDD international conference on Knowledge discovery and data mining
Proceedings of the 13th ACM SIGKDD international conference on Knowledge discovery and data mining
Leveraging user query log: toward improving image data clustering
CIVR '08 Proceedings of the 2008 international conference on Content-based image and video retrieval
K-Means with Large and Noisy Constraint Sets
ECML '07 Proceedings of the 18th European conference on Machine Learning
Constrained locally weighted clustering
Proceedings of the VLDB Endowment
A consensus based approach to constrained clustering of software requirements
Proceedings of the 17th ACM conference on Information and knowledge management
Data Mining and Knowledge Discovery
Data Mining and Knowledge Discovery
A cluster-level semi-supervision model for interactive clustering
ECML PKDD'10 Proceedings of the 2010 European conference on Machine learning and knowledge discovery in databases: Part I
A modified Cop-Kmeans algorithm based on sequenced cannot-link set
RSKT'11 Proceedings of the 6th international conference on Rough sets and knowledge technology
Extracting elite pairwise constraints for clustering
Neurocomputing
Improving document clustering using automated machine translation
Proceedings of the 21st ACM international conference on Information and knowledge management
On constrained spectral clustering and its applications
Data Mining and Knowledge Discovery
Constrained instance clustering in multi-instance multi-label learning
Pattern Recognition Letters
Machine Learning
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Clustering under constraints is a recent innovation in the artificial intelligence community that has yielded significant practical benefit. However, recent work has shown that for some negative forms of constraints the associated subproblem of just finding a feasible clustering is NP-complete. These worst case results for the entire problem class say nothing of where and how prevalent easy problem instances are. In this work, we show that there are large pockets within these problem classes where clustering under constraints is easy and that using easy sets of constraints yields better empirical results. We then illustrate several sufficient conditions from graph theory to identify a priori where these easy problem instances are and present algorithms to create large and easy to satisfy constraint sets.