PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This is somewhat unfortunate: most of the major browsers remove it as soon as there???s focus on the input, but Webkit browsers such as Chrome, Safari, and a heap of mobile browsers wait until there are actual characters in the input???probably because of the problem mentioned by Rachel DiTullio: a user tabs automatically to the next input and then goes to read the label.
http://www.w3.org/ns/prov#wasQuotedFrom
  • uxmatters.com