Vladia Pinheiro Tarcisio H. C. Pequeno Vasco Furtado Douglas Nogueira Information Extraction from Text Based on Semantic Inferentialism. 333-344 2009 FQAS http://dx.doi.org/10.1007/978-3-642-04957-6_29 conf/fqas/2009 db/conf/fqas/fqas2009.html#PinheiroPFN09