Semantic!@#$% 2
Ok so moving on from the first post. Another way to look at this guess is meaning well formed code. To do this though you will ahve to start somewhere so i wonder if you would consider symantecs the origins of a well coded page.
Check out this page. they go back to the basics and break it down.
http://brainstormsandraves.com/articles/semantics/structure/
JHG

Comments
That link goes to the W3C website so even they are aware of RDF. Now if I'm completely off then I'll happily retract my statement but RDF seems to be the backbone of semantic web.