Simplified RRI workflow Patient records are turned into a concept representation by MetaMap, which is then used to generate patient vectors. Patient vectors are used to generate semantic vectors for UMLS concepts. Note that the random and semantic vectors can contain real numbers, and are normalized in actual use.
Herskovic et al. BMC Bioinformatics 2012 13(Suppl 13):S2 doi:10.1186/1471-2105-13-S13-S2