Scaling Clustering Algorithms to Large Databases. - Paul S. Bradley; Usama M. Fayyad; Cory Reina (KDD, 1998)

Initialization of Iterative Refinement Clustering Algorithms. - Usama M. Fayyad; Cory Reina; Paul S. Bradley (KDD, 1998)

Clustering Very Large Databases Using EM Mixture Models. - Paul S. Bradley; Cory Reina; Usama M. Fayyad (ICPR, 2000)