Antonin Rozsypal Miroslav Kubat Association mining in time-varying domains. 273-288 2005 9 Intell. Data Anal. 3 http://iospress.metapress.com/openurl.asp?genre=article&issn=1088-467X&volume=9&issue=3&spage=273 db/journals/ida/ida9.html#RozsypalK05