<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebSite>
<http://www.bulbs.com/Fluorescent_Ballasts_--_Compact_(CFL)_Plug_In/2_x_10W_--_19W/2-Number_of_Lamps/4--Pin-Ballast_Lamp_Type/results.aspx?pid=398>