@article{ Ji:BMC09,
author = {S. Ji and Y.-X. Li and Z.-H. Zhou and S. Kumar and J. Ye},
title = {A bag-of-words approach for {{\it Drosophila}} gene expression pattern annotation},
journal ={BMC Bioinformatics},
VOLUME = {10},
YEAR = {2009},
NUMBER = {1},
PAGES = {119},
}