Tao Wang 0036 Yi Cai 0001 Ho-fung Leung Raymond Y. K. Lau Qing Li 0001 Huaqing Min Product aspect extraction supervised with online domain knowledge. 86-100 2014 71 Knowl. Based Syst. https://doi.org/10.1016/j.knosys.2014.05.018 db/journals/kbs/kbs71.html#WangCLLLM14