<http://schema.org/keywords>
"railway budget"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hindustantimes.com/chandigarh/badal-hails-railway-budget-describes-it-as-growth-oriented-and-passenger-friendly/story-oREU7zsOW3tzvUDHg8uycL.html>