<http://schema.org/alternativeHeadline>
"BP is coming under criticism for buying 'gulf oil spill' search advertising on Google. Will the company's attempt to redirect online traffic backfire?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/computers/blogs/bp-redirects-the-flow-of-information-with-google-adwords>