The semantic web is the vision and technologies for making the web machine readable. The core technology is RDF which allows data files that can deliver meta-information about web files (identified by URLs}, and non-web objects (identified by URI). For AI this offers a way to apply different forms of automatied reasoning to web-scale data.
Used in Chap. 1: page 7; Chap. 8: page 113; Chap. 17: pages 250, 253, 254, 255, 266; Chap. 19: page 301