01405nam a2200301 a 450000100080000000500110000800800410001910000230006024501040008326000950018730000140028250000160029652005040031265000090081665000330082565000120085865000220087065000100089265300210090265300280092365300290095165300120098065300140099265300130100665300360101970000270105570000210108210832252020-01-15 2009 bl uuuu u00u1 u #d1 aSOUZA, K. X. S. D. aUsing formal concept analysis to calculate similarities among corn diseases.h[electronic resource] aIn: EFITA CONFERENCE, 7., 2009, Wageningen. Papers... Wageningen: Wagenigen Academicc2009 ap. 41-47. aEfita 2009. aDiagnostic reasoning either automated or conducted by diagnosticians relies on having a set of symptoms and trying to match them against a (sparse) matrix containing the complete set of diseases and their corresponding symptioms. Whenever a symptom manifests itself, the diagnostician activates in this matrix several possible diseases which could manifest that symptom. The reasoning proceeds up to the point in which a very small subset of diseases (ideally one) are known to cause those symptoms. aCorn aPlant diseases and disorders aDoença aDoença de Planta aMilho aConcept Lattices aFormal Concept Analysis aKnowledge representation aLattice aOntologia aOntology aRepresentação do conhecimento1 aMASSRUHÁ, S. M. F. S.1 aFERNANDES, V. M.