Asked about Where ground truth comes from
How do you write labelling guidelines?
An answer that works
Define each label with concrete positive and negative examples rather than adjectives, state explicitly how to handle ambiguity, include a not-applicable option, then have someone else label with them and fix whatever they got wrong.
Reading an answer is not being able to give one. The section that teaches this is Where ground truth comes from, 5 hours of Data quality & labelling.
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