An approach is disclosed for building a study cohort by collecting information related to a plurality of people according to a collection request from a user. An authority of the request from the user is validated and if validated, a file policy associated with each file containing personal data is checked to verify a type of processing consented by the corresponding individual for their data. The data is transformed, and information copied related to the plurality of people according to the collection request, the request assessment, the consent information as part of each file's metadata, and the privacy legal framework. The privacy legal framework is enforced by the OS and may be based on source files wherein each source file has a source file consent permission to form copied content. The copied content is used to process the collection request.
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