title: xxl - a library approach to supporting efficient implementations of advanced database queries. authors: j bercken , b blohsfeld , j dittrich , j krфmer , t schфfer , m schneider , b seeger. venue: vldb. year: 2001
title: xxl-a library approach to supporting e cient implementations of advanced database queries. authors: j van den bercken , b blohsfeld , jp dittrich , j. venue: proc . of the vldb , seiten ,. year: nan