Gabriel Pui Cheong Fung Jeffrey Xu Yu Hongjun Lu The Predicting Power of Textual Information on Financial Markets. 1-10 2005 5 IEEE Intelligent Informatics Bulletin 1 http://www.comp.hkbu.edu.hk/~cib/2005/Jun/iib_vol5no1_article1.pdf db/journals/cib/cib5.html#FungYL05