▁ ▁Micro data ▁- ▁another ▁approach ▁at ▁embedding ▁semantics ▁in ▁HTML ▁using ▁additional ▁attributes ▁ ▁e R DF , ▁an ▁alternative ▁to ▁R DF a ▁( now ▁ob sole te ) ▁ ▁GR DD L , ▁a ▁way ▁to ▁extract ▁( annot ated ) ▁data ▁out ▁of ▁X HTML ▁and ▁XML ▁documents ▁and ▁transform ▁it ▁into ▁an ▁R DF ▁graph ▁ ▁Sch ema . org , ▁search - engine ▁supported ▁sch emas ▁for ▁struct ured ▁data ▁markup ▁on ▁web ▁pages ▁that ▁can ▁be ▁expressed ▁as ▁R DF a ▁ ▁References ▁ ▁External ▁links ▁ ▁R DF a ▁Pr imer ▁ ▁h GR DD L ▁ ▁R DF a ▁– ▁Imp lications ▁for ▁Access ibility ▁ ▁Mark ▁Bir beck ▁present ing ▁R DF a ▁at ▁Google ▁in ▁May ▁ 2 0 0 8 ▁ ▁Category : Resource ▁Description ▁Framework ▁Category : Metadata ▁publishing ▁Category : Sem antic ▁Web ▁Category : Sem antic ▁HTML ▁Category : XML - based ▁standards ▁Category : World ▁W ide ▁Web ▁Cons ort ium ▁standards ▁Category : Domain - specific ▁knowledge ▁representation ▁languages ▁Category : Word Press <0x0A> </s> ▁Captain ▁Z - Ro ▁( pr on ounced ▁" zero " ▁) ▁is ▁an ▁American ▁children ' s ▁television ▁show ▁that ▁ran ▁locally ▁on ▁K R ON - TV ▁in ▁San ▁Francisco ▁and ▁K T TV ▁in ▁Los ▁Angeles , ▁from ▁November ▁ 1 9 5 1 ▁through ▁ 1 9 5 3 , ▁and ▁was ▁later ▁nation ally ▁synd ic ated ▁in ▁the ▁United ▁States , ▁beginning ▁December ▁ 1