@InProceedings{AnttiPuurula:2013:ALTA2013,
author = {Antti Puurula},
title = {Cumulative Progress in Language Models for Information Retrieval},
booktitle = {Proceedings of the Australasian Language Technology Association Workshop 2013 (ALTA 2013)},
month     = {December},
year      = {2013},
address   = {Brisbane, Australia},
pages = {96--100},
url = {http://www.aclweb.org/anthology/U13-1013}
}