Stratos Papadomanolakis Debabrata Dash Anastassia Ailamaki Efficient Use of the Query Optimizer for Automated Database Design. 1093-1104 2007 conf/vldb/2007 VLDB http://www.vldb.org/conf/2007/papers/research/p1093-papadomanolakis.pdf db/conf/vldb/vldb2007.html#PapadomanolakisDA07