Maintenance of Discovered Knowledge: A Case in Multi-Level Association Rules. - David Wai-Lok Cheung; Vincent T. Y. Ng; Benjamin W. Tam (KDD, 1996)

Incremental Updates of Discovered Multi-Level Association Rules. - David W. Cheung; Vincent T. Y. Ng; Benjamin W. Tam (Int. J. Artif. Intell. Tools, 1997)