@inproceedings { tatti11order, author = {Nikolaj Tatti}, title = {Are Your Items in Order}, booktitle = {Proceedings of the SIAM International Conference on Data Mining (SDM)}, year = {2011}, publisher = {SIAM}, groups = {adrem-published}, pdf = { http://www.adrem.ua.ac.be/bibrem/pubs/tatti11order.pdf } }