Matteo Gagliolo Viktor Zhumatiy Jürgen Schmidhuber Adaptive Online Time Allocation to Search Algorithms. 134-143 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3201&spage=134 2004 conf/ecml/2004 ECML db/conf/ecml/ecml2004.html#GaglioloZS04