These organizations and others are using MarkLogic Server to deliver useful information hundreds of times faster than with search engines and relational databases. MarkLogic Server lets you store, aggregate, enrich, search, navigate, and dynamically deliver the most relevant information in any format required.
It's not just the ability to collect masses of raw data, you have to have the processing power to analyze it. The technology behind this, while similar to marketing and other commercial applications, clearly has some distinct requirements. I am still learning about open source intelligence.