Summary of the 9/13/14 Legal Citation Hackathon includes links to outcomes and sources. There are a number of interesting things including using the Fastcase API.
Legal Citation Hackathon, 13 September 2014: Results, storify, links, and resources | Legal Informatics Blog :: http://legalinformatics.wordpress.com/2014/09/14/legal-citation-hackathon-13-september-2014-results-storify-links-and-resources/