Karl Schnaitter Serge Abiteboul Tova Milo Neoklis Polyzotis On-Line Index Selection for Shifting Workloads. 459-468 2007 conf/icde/2007w ICDE Workshops http://dx.doi.org/10.1109/ICDEW.2007.4401029 db/conf/icde/icdew2007.html#SchnaitterAMP07