Totally 30 000 disease-feature links for about 476 diseases and 2000 features.
Natural Language Processing based on SNOMED-CT data and algorithm. Diagnostic algorithm includes approximation method of Bayesian probabilistic belief networks as developed by Jaakkola & Jordan and published in Journal of Artificial Intelligence Research (Variational probabilistic inference and QMR-DT 10 (1999) 291-322.).
Confirmatory tests for each diagnostic possibility.