“The challenge is how to make sure it can translate into an unbiased, equitable model, and to do that, especially in healthcare, you need access to a huge amount of data which are representative of your population.”
Indeed, medical data must be impartial, bias level must be minimal. That is, each word in a medical document must have its only and well-defined meaning. This can be achieved by comparing multiple definitions of a given word (taken from a dictionary) with the context in which this word is located; which requires incredibly huge resources.