Fig. 1From: Using text mining techniques to extract prostate cancer predictive information (Gleason score) from semi-structured narrative laboratory reports in the Gauteng province, South AfricaDiagram describing the logical processes used to analyse the raw narrative prostate biopsy report to generate the discovered knowledge. The steps were as follows: (i) data acquisition (ii) pre-processing and (iii) feature extraction, (iv) feature value representation, (v) feature selection, (vi) information extraction (vii) classification and (viii) discovered knowledgeBack to article page