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)
  • 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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AICOL 2011: Extended Deadline

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Full day Workshop of the
XXV. World Congress of Philosophy of Law and Social Philosophy

Call for papers

Following many requests for an extension of the AICOL deadline, the Program committee has decided that 15th June 2011, will be the latest date on which full papers can be submitted: Note that this deadline cannot be further extended, since the PC needs to have the time for a good review process.

The aim of the workshop is to offer effective support for the exchange of knowledge and methodological approaches between scholars from different scientific fields, by highlighting their similarities and differences.

We are expecting to have contributions that are able to capture this interdisciplinary aspect and prepare the scientific community to a common ground beyond the state of the art of any individual discipline.

Some not exaustive topics are:

  • Law and Science
  • Law and Cognitive Science
  • Law and Complexity Theory
  • Complex Systems
  • Legal Theory
  • Legal Culture
  • Computer Ethics
  • Artificial Societies
  • Argumentative Frameworks
  • Legal Ontologies
  • Legal Concepts
  • Legal Thesauri
  • Taxonomies
  • Natural Language Processing (NLP)
  • Legal Knowledge Acquisition
  • Legal Knowledge Representation
  • Knowledge Management
  • Cognitive schemas
  • Law and Robotics
  • Law and Mathematics
  • Legal Graphic Representation
  • Game Theory
  • Formalization of Legal Systems and Norms
  • Rules and Standards
  • Agreement technologies
  • Electronic Institutions
  • Legal Information Retrieval
  • Online Dispute Resolution
  • Trends in e-Discovery, e-Courts, e-Administration
  • Users’ studies

See the call for papers in the web site for more details. HTTP://WWW.AICOL.EU/

Paper submission: FIRM ULTIMATE DEADLINE! June 12th 2011
Peer Review Communications: July 11th, 2011
Camera Ready: July 31th, 2011
AICOL Workshop: August 16th, 2011
Publication: November/December 2011 (LNAI volume)
Authors are invited to submit original contributions of practical relevance and technical rigor in the field, experience reports and show case/use case demonstrations of effective, practical, deployable rule-based technologies or applications in distributed environments. Papers must be in English and may be submitted at


Full Papers (15 pages in the proceedings) Short Papers (8 pages in the proceedings) Min.3000 words and max. 15000 words.

Please upload all submissions as PDF files in LNCS format (http://www.springer.de/comp/lncs/authors.html). To ensure high quality, submitted papers will be carefully peer-reviewed by at least 3 PC members based on originality, significance, technical soundness, and clarity of exposition.

The selected papers will be published in book form in the Springer LNAI Lecture Notes in Artificial Intelligence (LNAI) series. The publication will be released in December, following the Springer process.

Daniële Bourcier (CERSA-CNRS, Paris, France)
Pompeu Casanovas (UAB Institute of Law and Technology, Barcelona, Spain)
Monica Palmirani (CIRSFID – University of Bologna, Italy)
Ugo Pagallo (University of Turin, Italy)
Giovanni Sartor (European University Institute and University of Bologna, Italy)

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JURIX 2011: Call for Papers

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Call for Papers: JURIX 2011
The 24th International Conference on Legal Knowledge and Information Systems

University of Vienna, Austria, 14th-16th December 2011


The JURIX conference has been running annually for over 20 years and provides an international forum for both academics and practitioners in the field of legal informatics to meet and share their research and ideas to advance the field of legal knowledge systems.
The 24th edition of JURIX will be hosted by the University of Vienna. We invite submission of original papers on the advanced management of legal information and knowledge, covering foundations, methods, tools, systems and applications for the following (non-exhaustive) list of topics:

  • Support for lawyers, in legal reasoning, document drafting, negotiation;
  • Support for the production and management of legislation, in agenda setting, policy analysis, drafting, workflow management, monitoring implementation;
  • Support for the judiciary, in application of the law, analysis of evidence, management of cases;
  • Support for police activities, in forensic inquiries, search and evaluation of evidence, management of investigations;
  • Support for public administration, in applying regulations and managing information;
  • Support for the acquisition, management or use of legal knowledge, using rules, cases, neural networks, intelligent agents or other methods;
  • Systems and methods to support policies and legal issues for social networks;
  • Retrieval of legal information;
  • Legal education;
  • Digital-rights management;
  • Alternative dispute resolution, particularly on-line;
  • Regulatory compliance and compliance of business processes;
  • Theoretical foundations for the use of Artificial Intelligence techniques in the legal domain;
  • Models of legal knowledge, including concepts (legal ontologies), rules, cases, principles, values and procedures;
  • Legal inference and argumentation;
  • Verification and validation of legal knowledge systems;
  • Management of legal information in the semantic web;
  • XML standards for legal documents, including legislative, judicial, administrative acts as well as private documents, such as contracts;
  • Modelling the legal interactions of autonomous agents and digital institutions;
  • Methods for managing organizational change when introducing legal knowledge systems;
  • Evaluation of systems using advanced informatics techniques in legal applications;
  • Interdisciplinary applications of legal informatics methods and systems.

The deadline for paper submission is September 5th, 2011. Papers should be submitted through the EasyChair Conference Management System, using PDF, PostScript or Word format, and should not exceed 10 pages when formatted using the styles and guidelines in the Instructions for Authors. Author instructions and style sheets can be found at the IOS Press site. Workshops and a selection of conference papers will be published in the electronic journal Jusletter IT.
Proposals for tutorials and workshops are invited and strongly encouraged. All proposals, including a short description of the topic, should be sent to the Programme Chair by email.

Programme Chair:
Katie Atkinson, University of Liverpool, UK.

Local Organisation Chair:
Erich Schweighofer, University of Vienna, Austria in co-operation with University of Brno, Czech Republic and Austrian Computer Society OCG, Vienna.

Important Dates:

  • Submissions of papers: Monday 5th September 2011
  • Proposals for workshops and tutorials: Monday 12th September 2011
  • Notification of acceptance: Late September 2011
  • Camera-ready copies: Mid-October 2011
  • Conference: 14th-16th December 2011

JURIX conferences are held under the auspices of the Dutch Foundation for Legal Knowledge Systems.

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AIO Motivering van bewijsbeslissingen in strafzaken

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Bij het Centrum voor Recht & ICT van de Faculteit der Rechtsgeleerdheid, Rijksuniversiteit Groningen is een promotieplaats beschikbaar voor onderzoek naar motivering van bewijsbeslissingen in strafzaken – een argumentatiemodel en richtlijnen voor softwareondersteuning. Meer informatie is te vinden op




Een volledige onderzoeksbeschrijving is verkrijgbaar bij Henry Prakken, email h.prakken@rug.nl.

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LEX 2011: Early-Bird Registration

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Legislative XML Summer School LEX 2011
Managing Legal Resources in the Semantic Web
5-10 September 2011
Faculty of Law
via Oberdan 1, Ravenna, Italy

The programme of the 2011 Edition of the Legislative XML Summer School is now available online:


This year the Summer School LEX is hosted by the Universty of Bologna, Ravenna location with the scientific partnership of EUI, IDT, ITTIG, CIRSFID, CS and Leibniz Center for Law (University of Amsterdam) and with the support of LegalXML-OASIS.

Deadline for the early-bird registration: June 30th.

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CODEX Resident Fellowship 2011/2012

Codex – The Stanford Center for Legal Informatics (http://codex.stanford.edu) is accepting applications for a Resident Fellowship for the 2011-12 academic year.  Codex is a cross-disciplinary research center jointly operated by Stanford Law School and the Stanford School of Engineering. The center’s mission is to explore the application of technology toward improving the quality, efficiency, and accessibility of the legal system.  Codex research fellows will have the opportunity to spend one to two years at Stanford Law School collaborating with scholars in computer science and other relevant disciplines. Fellows will work on the center’s existing projects, and will have the opportunity to explore related research on their own and commence new projects. Fellows will work with cutting edge technologies emerging from Stanford’s engineering departments, and will be expected to bring a legally oriented perspective toward integrating these technologies into the law. Sample projects include automating the process of intellectual property licensing and developing automated legal compliance systems.  Fellows will also be involved in bringing in leading thinkers in the field to speak at the law school on these topic areas and will work with law and computer science students to engage them in the center’s activities.

Applicants should have a J.D. or equivalent law degree. Because the primary focus of the center is employing technology within the law, applicants should also have experience in computer science or engineering related fields. We welcome applicants with practical/professional technical experience in these fields as well as those with formal computer science or engineering undergraduate or graduate training. Applicants should be capable of learning and be comfortable with the technological aspects of the center’s projects.

Salary for the fellowship will be approximately $40,000 per year with benefits.

How to Apply:
All qualified and interested applicants must apply via the Stanford jobs website:http://jobs.stanford.edu search for this specific posting by entering job number: 42440 in the keyword search field. Applicants should submit:

  • a resume;
  • a brief letter (no more than 2 pages) describing the applicant’s interest in issues applying technology to the law, the applicant’s background, and the research that they propose to conduct;
  • a list of references;

* Please note, if your application is selected to tier II of the hiring process, you will be requested to provide a copy of your law school transcript.

Review of applications will begin immediately, and all applications must be received by May 27, 2011.  Please note that the Codex Center has a technological emphasis and is not focused on technology policy or legal substantive areas such as intellectual property, cyberlaw, or privacy.

For more information about the Stanford Codex Center and its projects please visit the website at http://codex.stanford.edu, or contact Roland Vogl atrvogl@law.stanford.edu.

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ICAIL 2011: Workshops and Tutorials

The ICAIL 2011 organizers are pleased to report that the conference will include six workshops and two tutorials.  They are listed below, along with the tentative schedule,  the names of the organizers, and the web sites where fuller descriptions and calls for workshop papers can be found.

All workshop and tutorial participants will be expected to register for ICAIL 2011.  For those not wishing to attend the full conference, a one-day registration rate will be available.  Registration for the full conference will include the workshops and tutorials at no extra charge.

Monday, June 6, 2011

WM1. E-discovery: Standards-Setting Workshop  (DESI IV) (full day workshop)


Deadlines:  research papers April 1; position papers April 22

Jason R. Baron, National Archives and Records Administration, USA
Laura Ellsworth, Jones Day, USA
Dave Lewis, David D. Lewis Consulting, USA
Debra Logan, Gartner Research, UK
Douglas W. Oard, University of Maryland, USA

WM2. Agent Model-Based Reasoning in Law (Monday afternoon workshop)


Deadline:  March 14 (tentative)

Alexander Boer, University of Amsterdam, Netherlands
Giovanni Sartor, European University Institute and University of Bologna, Italy
Guido Boella, University of Turino, Italy

WM3. Computational Law: a Bridge towards Business Rules (full day workshop)


Deadline:  April 20

Monica Palmirani, University of Bologna, Italy
Michael Genesereth, Stanford University, USA
Guido Governatori, NICTA Queensland Research Laboratory, Australia

TM1. Textual Information Extraction from Legal Resources Using GATE (Monday morning tutorial)


Adam Wyner, University of Liverpool, UK

Friday, June 10, 2011

WF1. AI & Evidential Inference (full day workshop)


Henry Prakken, University of Groningen and University of Utrecht, Netherlands
Giovanni Sartor, European University Institute and University of Bologna, Italy
Doug Walton, University of Windsor, Canada
Peter Tillers, Benjamin N. Cardozo School of Law, USA

WF2. Legal Applications of Human Language Technology (full day workshop)


Deadline: March 31

Karl Branting, The MITRE Corporation, USA
Adam Wyner, University of Liverpool, UK

WF3. Artificial Intelligence, Coherence and Judicial Reasoning (Friday morning workshop)


Deadline:  abstracts April 15; papers tba

Michal Araszkiewicz, Jagiellonian University,Poland
Jaromir Savelka, Masaryk University, Czech Republic

TF1. LegalRuleML (Friday morning tutorial)


Harold Boley, University of New Brunswick, Canada
Monica Palmirani, University of Bologna, Italy
Antonino Rotolo, University of Bologna, Italy
Adrian Paschke, Free University Berlin, Germany
Guido Governatori, NICTA Queensland Research Laboratory, Australia

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PhD position on Multi Agent Systems at UvA

A PhD position on agent concepts in public administration at the Leibniz Center for Law, University of Amsterdam

The PhD student will work on the design methodology for multi-agent simulations, and address the interesting theoretical questions we have about agent role descriptions as design components in multi-agent simulation. The PhD student will also give input to a methodology for acquisition of legal knowledge from the text of the law.

Agent roles in general are identi ed with a set of abilities, and a set of susceptibilities to actions of others, and with goals, plans, and beliefs typical of that role. Law-based agent roles are a natural approach to knowledge acquisition from the sources of law. Law-based agent roles can be characterized by a set of powers and liabilities, duties and rights found in legal rules in thetext of the law.

The agent role description includes a subjective theory about the social system or organizational structure in which an agent is embedded. Of speci c interest in the legal domain is the fact that there are clear costs and limits tothe collection of evidence, given the limited access of the agent to its domain, and that the application of legal rules is therefore often bound to a context of use.

The agent role descriptions will be used as design components in multi-agent system simulation. These simulations may represent current situations, proposed design alternatives, theories of noncompliance, etc.

Job requirements

The candidate is supposed to write a PhD-thesis on the subject outlined below. He or she will be contracted as a PhD-student (AiO) conform the regulations of the University of Amsterdam.

The candidate for this position should have a master’s degree or equivalent. The candidate should be interested in the legal domain & in multi-agent systems. We are looking for someone with programming skills and a background in multi-agent systems, knowledge representation, and/or semantic web technology.

Preferably the candidate should have Dutch reading skills at the level required for understanding legal documents, but very suitable non-Dutch applicants will be considered. Students that have not yet fi nished their master’s thesis, but are about to do so within 3 months are also invited to apply for this position.

Contact: prof. Tom M. van Engers, vanEngers@uva.nl

For more information, please visit the Leibniz Center for Law website


AICOL 2011: AI Approaches to the Complexity of Legal Systems

The third AICOL workshop on AI Approaches to Complexity of Legal Systems will take place as a workshop of the 25th World Congress on Philosophy of Law and Social Philosophy, Frankfurt (Germany), 15-20 August 2011. The submission deadline is May 16th, 2011. For more information see the workshop website.

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CLIMA XII: Session on Norms and Normative Multi-Agent Systems

The 12th international Workshop on Computational Logic in Multi-Agent Systems (CLIMA XII) invites submissions for a special session on Norms and Normative Multi-Agent Systems. The submission deadline is April 4 (for abstracts) and April 8 (for papers). CLIMA XII is affiliated with IJCAI 2011 and will take place in Barcelona, Spain, July 17-18, 2011. For more information see the workshop website.

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