25. The method of claim 15 wherein the domain-specific criteria includes institution-specific domain knowledge, disease-specific domain knowledge, or combinations thereof.
15. A method for producing structured clinical information from patient records, comprising: (a) extracting, by a machine, multiple pieces of information from at least one structured data source and at least one unstructured data source of a patient record of a patient, the extracting from the at least one unstructured data source comprising mining unstructured free text information, the multiple pieces indicating different first values for a same variable recorded for the patient; (b) combining, probabilistically by the machine, the extracted multiple pieces of information into a second value of the variable representing the patient, the second value being a function of the first values recorded for the patient; wherein one or both of (a) and (b) are performed as a function of domain-specific criteria; and repeating (a) and (b) for a different variable, the repetition searching for different pieces of information relevant to the different variable and combining the different pieces of information into a value for the different variable, the variable and the different variable representing the patient at a given time.