A hierarchical approach to classification for systems with complex low-level interactions. - Ricardo Vilalta; Murali-Krishna Achari (ISIC, 2003)

Class Decomposition via Clustering: A New Framework for Low-Variance Classifiers. - Ricardo Vilalta; Murali-Krishna Achari; Christoph F. Eick (ICDM, 2003)

Piece-Wise Model Fitting Using Local Data Patterns. - Ricardo Vilalta; Murali-Krishna Achari; Christoph F. Eick (ECAI, 2004)

A Quantification of Cluster Novelty with an Application to Martian Topography. - Ricardo Vilalta; Tomasz F. Stepinski; Murali-Krishna Achari; Francisco Ocegueda-Hernandez (PKDD, 2004)

An efficient approach to external cluster assessment with an application to martian topography. - Ricardo Vilalta; Tomasz F. Stepinski; Murali-Krishna Achari (Data Min. Knowl. Discov., 2007)