Patent Document ID: 9842296
Application ID: 14492661

Base Claim:
1. A method for analyzing cohorts to answer a question in a question answering system, the method comprising the steps of: identifying the cohorts for a person in the question, wherein the cohorts are persons meeting a threshold of similar attributes to the person of the question and available in a corpus of data to answer the question; extracting answers and evidence from data of the cohorts; combining and ranking the extracted answers and evidence from the cohorts; using the combined and ranked answers and evidence to gather statistically significant evidence; and answering the question with the gathered statistically significant evidence.

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Claim 3:
3. The method of claim 1 wherein the person in the question is a patient, the question is a medical question for the patient and the cohort analysis mechanism processes the medical history of the patient and finds the cohorts from medical histories of other patients to predict an answer from the cohorts.