<http://schema.org/description>
"The idea behind 9-1-1 is pretty simple: Give people a single, easy-to-remember number to call to receive help during any life-threatening situation. Learn how 9-1-1 got started and how it works."^^<http://www.w3.org/2001/XMLSchema#string>
<http://people.howstuffworks.com/9-1-1.htm/printable>