Seokkyung Chung Dennis McLeod Dynamic Pattern Mining: An Incremental Data Clustering Approach. 85-112 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3360&spage=85 2005 journals/jods/2005-2 J. Data Semantics 2 db/journals/jods/jods2.html#ChungM05