Chronic obstructive pulmonary disease (COPD) yields a high rate of failures such as
hospital readmission and death in the United States, Canada and worldwide. COPD failure
imposes a significant social and economic burden on society, and predicting such failure is
crucial to early intervention and decision-making, making this a very important research
issue. Current analysis methods address all risk factors in medical records indiscriminately
and therefore generally suffer from ineffectiveness in real applications, mainly because …