An aspect of applying tacit knowledge to iteratively refine datasets includes determining, via a computer processor, that a data element in the dataset is potentially in non-conformance with other data in the dataset. The potential non-conformance is determined based on a discrepancy in a pattern noted in the dataset with respect to the data element. The dataset spans multiple knowledge domains. An aspect also includes annotating a data structure containing the data element to indicate the potential non-conformance and providing, via a user interface of the computer processor, a plurality of users with access to the data structure. The users collectively indicate domain experts for each of the multiple knowledge domains.
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