<http://schema.org/headline>
"Google \u0111ang nghi\u00EAn c\u1EE9u chu\u1EA9n b\u1ECB ra \u1EE9ng d\u1EE5ng nh\u1EAFn tin di \u0111\u1ED9ng m\u1EDBi?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.vietnamplus.vn/google-dang-nghien-cuu-chuan-bi-ra-ung-dung-nhan-tin-di-dong-moi/362468.vnp>