Faceted Browsing

Digging through data and documents using faceted browsing is amazing. Many catalog sites use it to make searching for groups of items much easier. See http://facetmap.com/demosetup/ for a good example of how they can be constructed.

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What's News

Open Public Integrated Architecture (a system to allow connected, but decentralized conversations between various stakeholders of an issue, allowing for aggregation and competitive analysis) Joint project with Open Dialog Coalition.
Congressional Prototype Website (fifteen years in the making)
Repository Schema (Built based on Theory of the Web as One Big (Object) Database, designed to allow greater access to web documents and end need for APIs)
Topic Code (make it easier for congressional offices and advocacy groups to have constituent messages delivered to Congress, five years in the making, beta tested and now part of CMF recommendation)
Reliable Electronic Citations and Discoverable Assets (using URLs to allow for OPIA/connected conversations and making conversations more linkable and trustworthy)