PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Watch for shaking of their head after a point, muttering or yelling at themselves, looking downwards, walking slowly (not when used as a delaying tactic however, this is quite different) and breathing very heavily after points, especially if they take extra time or squat down to rest in between points.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tennispsychology.com