Hsin-Min Lu Nina WanHsin Huang Zhu Zhang Tsai-Jyh Chen Identifying Firm-Specific Risk Statements in News Articles. 42-53 2009 PAISI http://dx.doi.org/10.1007/978-3-642-01393-5_6 conf/paisi/2009 db/conf/paisi/paisi2009.html#LuHZC09