title: multi-dimensional substring selectivity estimation. authors: divesh srivastava , olga kapitskaia , raymond t. ng , h. v. jagadish. venue: vldb. year: 1999
title: multi-dimensional substring selectivity estimation. authors: h. v. jagadish , olga kapitskaia , raymond t. ng , divesh srivastava. venue: very large data bases. year: 1999