Archive for August, 2011

All Dutch Legislation published as CEN MetaLex and Linked Open Data

The Leibniz Center for Law of the University of Amsterdam has made all Dutch legislation available as CEN MetaLex and Linked Open Data through the MetaLex Document Server portal (MDS). “The XML source documents currently made available by the Dutch government are simply not good enough”, says Rinke Hoekstra, researcher at the Leibniz Center, and the Knowledge Representation group of the VU University Amsterdam.

The MetaLex Document Server improves over the XML API of the official portal by:

  • Providing persistent, versioned identifiers of all elements of ¬†regulations.
  • Maintaining source XML for all versions of legislation since May 2011, rather than only the latest version.
  • All metadata is published as RDF Linked Data, is linked to the original legislative sources, and uses standard vocabularies such as the MetaLex Ontology, Dublin Core, Open Provenance Model Vocabulary, Simple Event Model, FOAF, etc.
  • All documents and metadata are available through ‘content negotiation’: content can be retrieved by using the URI (identifier) of an element as a URL.
  • Metadata is accessible through a SPARQL endpoint
  • Citations between regulations are made available in a format suitable for social network analysis (Pajek/Gephi)
  • A generic conversion script for transforming any legislative XML to CEN MetaLex

For more information, have a look at the presentation on slideshare, or contact Rinke Hoekstra directly.

A report on this work will be published as part of the proceedings of the International Semantic Web Conference (ISWC) 2011: “Rinke Hoekstra. The MetaLex Document Server – Legal Documents as Versioned Linked Data”

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Add comment August 24th, 2011

Collaboration with Network Institute of the VU Amsterdam

On behalf of the Faculty of Law of the University of Amsterdam, the Leibniz Center for Law has entered a collaboration with the Network Institute of the VU University Amsterdam.

“The Network Institute‚Äôs research mission is to come to a better scientific understanding of the emerging networked world in all its technological, economic and social aspects, and to help further its proper development.

The Network Institute brings together researchers from many different academic disciplines, including information systems, communication science, computer science, business and management research, knowledge management, marketing and strategy, economics, artificial intelligence, mathematics, and organization science.”

Collaborating with the Network Institute will allow the Leibniz Center to tap into a rich source of likeminded researchers, and at the same time brings the challenges of the field of AI and Law to the attention of a multidisciplinary research network.

For more information, please contact Rinke Hoekstra.

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Add comment August 24th, 2011


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