Christian Scheier Dimitrios Lambrinos Adaptive Classification in Autonomous Agents. 119-130 1997 11 Applied Artificial Intelligence 2 http://taylorandfrancis.metapress.com/openurl.asp?genre=article&issn=0883-9514&volume=11&issue=2&spage=119 db/journals/aai/aai11.html#ScheierL97