title: computing iceberg queries efficiently. authors: hector garcia-molina , narayanan shivakumar , jeffrey d. ullman , rajeev motwani , min fang. venue: vldb. year: 1998
title: computing iceberg queries efficiently. authors: min fang , narayanan shivakumar , hector garcia-molina , rajeev motwani , jeffrey d. ullman. venue: very large data bases. year: 1998