Liang Zhang Jiangqin Wu Yueting Zhuang Yin Zhang Chenxing Yang Review-oriented metadata enrichment: a case study. 173-182 2009 JCDL http://doi.acm.org/10.1145/1555400.1555428 conf/jcdl/2009 db/conf/jcdl/jcdl2009.html#ZhangWZZY09