▁using ▁R DF a . ▁It ▁also ▁includes ▁a ▁R DF a ▁extra ction ▁tool ▁to ▁provide ▁the ▁user ▁with ▁a ▁view ▁of ▁the ▁annot ated ▁tri ples . ▁It ▁is ▁available ▁in ▁both ▁CLI ▁and ▁GUI ▁interfaces . ▁ ▁Ex amples ▁The ▁following ▁is ▁an ▁example ▁of ▁adding ▁Dublin ▁Core ▁metadata ▁to ▁an ▁XML ▁element ▁in ▁an ▁X HTML ▁file . ▁ ▁Dublin ▁Core ▁data ▁elements ▁are ▁data ▁typically ▁added ▁to ▁a ▁book ▁or ▁article ▁( title , ▁author , ▁subject ▁etc .) ▁< div ▁xmlns : dc =" http :// p url . org / dc / elements / 1 . 1 /" ▁▁ ▁about =" http :// www . example . com / books / wik in om ics "> ▁▁ ▁< span ▁property =" dc : title "> Wik in om ics </ span > ▁▁ ▁< span ▁property =" dc : cre ator "> Don ▁T ap sc ott </ span > ▁▁ ▁< span ▁property =" dc : date "> 2 0 0 6 - 1 0 - 0 1 </ span > ▁</ div > ▁ ▁Moreover , ▁R DF a ▁allows ▁the ▁pass ages ▁and ▁words ▁within ▁a ▁text ▁to ▁be ▁associated ▁with ▁semantic ▁markup : ▁< div ▁xmlns : dc =" http :// p url . org / dc / elements / 1 . 1 /" ▁▁▁ ▁about =" http :// www . example . com / books / wik in om ics "> ▁▁ ▁In ▁his ▁latest ▁book ▁▁ ▁< span ▁property ="