Ozgur Yilmazel Niranjan Balasubramanian Sarah Harwell Jennifer Bailey Anne Diekema Elizabeth D. Liddy Text Categorization for Aligning Educational Standards. 73 2007 conf/hicss/2007 HICSS http://doi.ieeecomputersociety.org/10.1109/HICSS.2007.517 db/conf/hicss/hicss2007.html#YilmazelBHBDL07