Often humans are asked to label data with classifications or other information in order to guide the training of supervised learning. algorithms. This may be domain experts as part of knoweldge elicition, {crowdsourcing}} of data, for example through reCAPTCHA, or people naming their day-to-day actvities.
Used in Chap. 6: page 93; Chap. 9: page 129; Chap. 18: pages 302, 310; Chap. 20: pages 338, 342
Also known as expert labelling
reCAPTCHA – human creating training data for machine learning
Expert labelling used alongised unsupervised learning
Hybrid expert system incorporating machine learning guided by human expertise.