Grettel Barceló Eduardo Cendejas Grigori Sidorov Igor A. Bolshakov Formal Grammar for Hispanic Named Entities Analysis. 183-194 2009 CICLing http://dx.doi.org/10.1007/978-3-642-00382-0_15 conf/cicling/2009 db/conf/cicling/cicling2009.html#BarceloCSB09