The metalex document server legal documents as versioned linked data

  • Authors:
  • Rinke Hoekstra

  • Affiliations:
  • Leibniz Center for Law, Faculty of Law, University of Amsterdam and Computer Science Department, VU University Amsterdam

  • Venue:
  • ISWC'11 Proceedings of the 10th international conference on The semantic web - Volume Part II
  • Year:
  • 2011

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Abstract

This paper introduces theMetaLex Document Server (MDS), an ongoing project to improve access to legal sources (regulations, court rulings) by means of a generic legal XML syntax (CEN MetaLex) and Linked Data. The MDS defines a generic conversion mechanism from legacy legal XML syntaxes to CEN MetaLex, RDF and Pajek network files, and discloses content by means of HTTP-based content negotiation, a SPARQL endpoint and a basic search interface. MDS combines a transparent (versioned) and opaque (content-based) naming scheme for URIs of parts of legal texts, allowing for tracking of version information at the URI-level, as well as reverse engineering of versioned metadata from sources that provide only partial information, such as many web-based legal content services. The MDS hosts all 28k national regulations of the Netherlands available since May 2011, comprising some 100M triples.