Their classes consist of clustered instances like the three shown below: (A) multiple sclerosis, diabetes, osteoporosis, cardiovascular disease, Parkinson's, rheumatoid arthritis, heart disease, asthma, cancer, hypertension, lupus, high blood pressure, arthritis, emphysema, epilepsy, cystic fibrosis, leukemia, hemophilia, Alzheimer, myeloma, glaucoma, schizophrenia, ... A limitation of these concepts is that CBC does not discover their actual names.
cBc discovers a semantic class of canadian provinces such as Manitoba, Alberta, and Ontario, but stops short of labeling the concept as canadian Provinces.