<http://schema.org/keywords>
" Birthday Cakes "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cakecentral.com/gallery/i/2905713/hello-kitty-purse-chocolatevanilla-marble-cake-with-vanilla-swiss-meringue-buttercream-loved-making-this-cake-its-so-cute-and-i-get-to>