<div dir="ltr"><div class="gmail_extra">Something that gets proposed from time to time is a tree hierarchy:</div><div class="gmail_extra">shop=food:bakery:muffins+sweets:cookie<br></div><div class="gmail_extra"><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">That said the google approach would be to infer everything from text, social and web linking analysis:</div><div class="gmail_extra">name=Fred's Bakery<br></div><div class="gmail_extra">website=<a href="http://freds.example.org/">http://freds.example.org/</a></div><div class="gmail_extra"><br></div></div>