1. Top-k selection queries over relational databases: Mapping strategies and performance evaluation;Bruno;TODS,2002
2. Evaluating top-k queries over web-accessible databases;Bruno,2002
3. On saying “Enough already!” in SQL;Carey,1997
4. Reducing the braking distance of an SQL query engine;Carey,1998
5. Minimal probing: supporting expensive predicates for top-k queries;Chen-Chuan Chang,2002