Reference for “OWL 2 Web Ontology Language Data Range Extension: Linear Equations”

@TechReport{Parsia:09:OWO,
  author      = "Bijan Parsia and Uli Sattler",
  title       = "{OWL} 2 Web Ontology Language Data Range Extension: Linear Equations",
  month       = oct,
  note        = "http://www.w3.org/TR/2009/NOTE-owl2-dr-linear-20091027/",
  year        = "2009",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Note",
  institution = "W3C",
}