In knowledge discovery and data mining (KDD), the key task is the discovery of previously ______________ knowledge.

Question

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The key task in knowledge discovery and data mining is to discover previously unknown knowledge from large datasets. If the knowledge is known, there would be no need for data mining as it is already available. Unknowable knowledge refers to information that cannot be discovered through data mining methods, which is not the objective of KDD. Discovered knowledge is the result of data mining, and not the task itself.

In Knowledge Discovery and Data Mining (KDD), the Key Task