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In the DIKW model, knowledge is created when:

The Turing Test was proposed by John von Neumann in 1950.

Training, validation, and test splits are used to prevent overfitting in AI models.

Artificial Intelligence systems can only operate under supervised learning conditions. 

Sentiment analysis is an example of:

Tokenization involves breaking text into smaller units like words.

SentiWordNet assigns identical polarity scores to all words. 

Which diagnostic is used to check model residuals?

Named Entity Recognition (NER) identifies people, places, and organizations in text.

In descriptive analytics, predictive modeling techniques are primarily used.