title: xxl - a library approach to supporting efficient implementations of advanced database queries. authors: björn blohsfeld , jens-peter dittrich , martin schneider , bernhard seeger , tobias schäfer , jochen van den bercken , jürgen krämer. venue: vldb. year: 2001
title: efficiently supporting ad hoc queries in large datasets of time sequences. authors: flip korn , h. v. jagadish , christos faloutsos. venue: international conference on management of data. year: 1997