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Open Legal Data Workshop


More and more legal data is freely available in electronic form. It concerns legislation, case law and possibly others like legal commentaries. Most of the sources of law available online are stand-alone web services or databases, containing one type of documents, not linked to other sources. For instance the Dutch portal for case law – – contains a (small) part of all judicial decisions in the Netherlands. Case citations in these decisions are sometimes explicitly linked, references to legislation are not. From earlier research we know that professional users of legal documents would like to see and have easy access to related ones from other collections.

The concept of the EU Project is to bring stakeholders in the area of legal information together in order to provide better access to justice in the EU and its Member States. An open collaboration between public bodies, legal professionals, businesses, citizens, publishers, universities and NGOs may lead to an entirely new environment for providing, accessing and understanding legal information. Open data and open source software support this trend.

The workshop will not only focus on presentations by domain experts, but will also foster discussion between them. The aim is to create a vision about what “Big Open Legal Data” can do in the future. The outcome of the workshop will become part of the “BOLD Vision” deliverable.

Who:                   Everybody interested in better access to legal information


When:                  09.12.2015 | 10:00 – 17:00


Where:                In conjunction with JURIX 2015 and NAiL 2015

Law School, University of Minho,


How to reach the venue:


Cost:                    Free when registered


Registration:     Please send an e-mail to


Pre-proceedings are available here.


Workshop Programme





Registration, coffee

Session 1: Invited Talk



Radboud Winkels & Nicola Lettieri


Invited talk by prof. Vittorio Scarano

“How to help citizens in making sense of Open Data”
The Horizon 2020 project Route-to-PA (Raising Open and User-friendly Transparency-Enabling Technologies fOr Public Administrations)

Discussion on Open (Legal) Data


Coffee/tea break

Session 2:



Radboud Winkels

Introduction on open legal data and

Session 3:

Network Analysis I



Monica Palmirani, Luca Cervone, Francesco Draicchio and Ilaria Bianchi

Analysis of Legal References in an Emergency Legislative Setting

Gábor Hamp, Syi and Réka Markovich

Automated Reference Extraction in Hungarian Legislative Texts and Visualization of their Inner Link Structures



Session 4:

Network Analysis II


Nicola Lettieri, Delfina Malandrino, Sebastiano Faro, Armando Faggiano and Margherita Vestoso

Network, visualization, analytics. A tool allowing legal scholars to experimentally investigate EU case law

Nada Mimouni, Adeline Nazarenko and Sylvie Salotti

Answering Complex Queries on Legal Networks: a Direct and a Structured IR Approaches


Radboud Winkels

Experiments in Finding Relevant Case Law


Coffee/tea break


Michael Bommarito and Dan Katz

Unpacking the Case: An Opinion-level Analysis of Supreme Court Precedent

Session 5:



On Open legal Data and Network Analysis


Closing remarks