Reference for “HTTP Vocabulary in RDF 1.0”

@TechReport{Koch:09:HVR,
  author      = "Johannes Koch and Carlos A Velasco",
  title       = "{HTTP} Vocabulary in {RDF} 1.0",
  month       = oct,
  note        = "http://www.w3.org/TR/2009/WD-HTTP-in-RDF10-20091029/",
  year        = "2009",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}