The New Legislation as Open Linked Data

John L. Sheridan of the UK National Archives and his team have released, which presents UK legislation as Linked Data, and provides free public access — including bulk access via RESTful API — to UK legislation and legislative metadata in a range of formats, including XML. includes both statutes and statutory instruments. Click here for details on the contents of

According to the API information page, data is “free for re-use under licence terms,” which have “been aligned to be interoperable with any Creative Commons Attribution 3.0 Licence. This means that you may mix the information with Creative Commons licensed content to create a derivative work that can be distributed under any Creative Commons Attribution 3.0 Licence.”

The new embodies three key current technology developments relevant to legal informatics:

Mr. Sheridan identifies three legal informatics efforts in particular as having furnished ideas that inform

Of particular interest is the section of the API information page entitled What We Hope Others Might Do, which discusses potential uses of the data accessible via This section notes particularly ESD Toolkit, which “have already linked their listing of the powers and duties in legislation on Local Authorities to URIs and are making use of the API to deliver their service.”

Congratulations to Mr. Sheridan and his team on the launch of this highly innovative and generative system!

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Rob Richards

RT @JeniT: @rgarner Click ‘Show Timeline of Changes’ when viewing the content of revised legislation (eg a section of an Act). #legislation