@inproceedings {4423,
	title = {RankSQL: Supporting Ranking Queries in Relational Database Management Systems},
	booktitle = {Very Large Data Bases Conference (VLDB)},
	year = {2005},
	url = {http://www.vldb.org/conf/2005/papers/p1342-li.pdf},
	author = {Chengkai Li and Mohamed A. Soliman and Kevin Chen-Chuan Chang and Ihab Ilyas}
}
