The machine-readable web has come a step closer thanks to open sourcers in the Drupal community. Drupal 7 has received sign-off - finally - adding the ability to embed semantic meta-data into sites using the open-source content management system. That means Drupal 7 is adding native support for the W3C's RDFa - a set of XHTML attributes that are designed to turn human readable data into data that's readable by machines. That could be data such as a location's map coordinates. RDFa is already being used by Google.
