After how much supervised learning driven by highly paid experts? Watson would be more credible if papers/people citing it's efficacy would start showing the actual queries and answers of the system without being constantly mediated by IBM oracles sitting between renaponses and their interpretations
Not sure what you're asking. The hospitals usually need to provided a lot of doctor-annotated data for training. But the custom solution is whatever the clients want it to be, not necessarily a question-answering system like Jeopardy that you seem to be asking about.
