For more than 150 years, The New York Times has meticulously indexed its archives, giving it one of the most authoritative news vocabularies ever developed. Now this archive has been linked to the open knowledge bases DBPedia and Freebase.
It used to be that integrating data across different applications required an unnatural act involving complicated pieces of middleware. In recent times, accomplishing that act has become easier thanks to lighter-weight middleware based on standard Web services and RESTful APIs. But even still, accomplishing that task still requires the skills of a developer. In contrast, the next revolution in data integration is going to be characterized by business users integrating data across applications on their own at will.