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Artikel

Voorspellen met big-datamodellen

Over de valkuilen voor beleidsmakers

Tijdschrift Justitiële verkenningen, Aflevering 4 2019
Trefwoorden Big data, predictive analytics, challenges, data quality, interpretation
Auteurs Dr. Susan van den Braak en Dr. Sunil Choenni
SamenvattingAuteursinformatie

    In the field of policymaking, there is a growing need to take advantage of the opportunities that big data predictions offer. A strong point of big data is that the large amounts of data that are collected nowadays can be re-used to find new insights. However, for effective use in policymaking it is also important to take into account the relating limitations and challenges. For example, the quality of the data used can be a problem. Outdated data and data of which the semantics have changed, may result in predictions that are no longer correct. In addition, it is difficult to apply predictions to individual cases or people. In this article authors provide various practical recommendations for dealing with these problems. As long as people are aware of the limitations and handle the results with care, big data models can be a useful addition to traditional methods in the field of policymaking.


Dr. Susan van den Braak
Dr. S.W. van den Braak is als senioronderzoeker verbonden aan de afdeling Statistische Informatievoorziening en Beleidsanalyse (SIBa) van het WODC.

Dr. Sunil Choenni
Dr. S. Choenni is als hoofd van de afdeling Statistische Informatievoorziening en Beleidsanalyse (SIBa) werkzaam bij het WODC. Hij is tevens lector Future Information & Communication Technology aan de Hogeschool Rotterdam.
Artikel

Big Data in wetenschappelijk onderzoek

Tijdschrift Justitiële verkenningen, Aflevering 1 2016
Trefwoorden Big Data, datafication, data mining, research data, Internet of Things
Auteurs Mr. dr. ir. B.H.M. Custers
SamenvattingAuteursinformatie

    Big Data offers a plethora of promising opportunities in different areas of society. This introductory article focuses on the opportunities of Big Data in scientific research. The central question addressed in this article is: ‘What can Big Data offer in the context of scientific research?’ In order to answer this question, the following topics are discussed: what is Big Data, what is new about Big Data, which applications are there for Big Data in scientific research, and what are the pros and cons of the use of Big Data in scientific research? The conclusion is that Big Data offers some opportunities for scientific research that were previously impossible and, therefore, can be useful for researchers. However, the use of Big Data also has its limitations and the added value may depend on the research questions that are addressed.


Mr. dr. ir. B.H.M. Custers
Mr. dr. ir. Bart Custers is hoofd van de onderzoeksafdeling Criminaliteit, Rechtshandhaving en Sancties van het WODC. Daarnaast is hij als onderzoeksmanager werkzaam voor eLaw, het Centrum voor Recht en Digitale Technologie van de Universiteit Leiden.
Artikel

Langdurig extramuraal toezicht op zedendelinquenten

Tijdschrift Justitiële verkenningen, Aflevering 4 2013
Trefwoorden community supervision, sex offenders, supervision legislation, electronic supervision, re-integration
Auteurs H.J.M. Schönberger
SamenvattingAuteursinformatie

    The Dutch Ministry of Security and Justice intends to change legislation enabling long-term community supervision. Since it initially focused on sex offenders, the main focus of this article is on effectiveness of supervision programs and legislation for this group. Supervision programs that combine elements of control and treatment, guidance or social support are found to be the most effective in reducing reoffending. In addition, possible underlying mechanisms of effective supervision, such as social support, electronic supervision and treatment, are elaborated upon. Dutch initiatives are partially shaped by these elements, although up to this date their effects on reoffending have not yet been determined. The effects of legislation that enables supervision are more differentiated than expected, and their practical applicability is found to be crucial. In conclusion, aspects concerning (dynamic) risk assessment, balancing community and offender interests, and tailoring supervision to subgroups are discussed. Study results could be of use to further shape and refine upcoming legislation on long-term supervision.


H.J.M. Schönberger
Drs. Hanneke Schönberger was tot medio februari 2013 werkzaam bij het WODC als junior onderzoeker.
Artikel

Zeven jaar na de Commissie Visser: een nieuw evenwicht?

Tijdschrift Justitiële verkenningen, Aflevering 4 2013
Trefwoorden TBS order, mentally disordered offenders, Parliamentary Inquiry Commission, leave permit, forensic care institutions
Auteurs M.J.F. van der Wolf en L. Noyon
SamenvattingAuteursinformatie

    Since 1988 the Dutch entrustment order for dangerous mentally disordered offenders (TBS) is organised around three basic principles: treatment, legal protection and social security. In 2006 the Parliamentary Inquiry Commission ‘Visser’ reviewed the TBS order and made seventeen recommendations. This article seeks to investigate to what extent the implementation of these recommendations contributed to developments like the increasing restraints on leave permits and a lengthened average stay. Since 2006 there has been a strong emphasis on security. For a balanced execution of the TBS order more attention is needed for treatment and legal protection.


M.J.F. van der Wolf
Mr. dr. Michiel van der Wolf is als universitair docent verbonden aan de afdeling strafrecht van de Erasmus Universiteit Rotterdam.

L. Noyon
Lucas Noyon is als onderzoeksassistent verbonden aan de afdeling strafrecht van de Erasmus Universiteit Rotterdam.
Artikel

Verkorten van de tbs-verblijfsduur: een weg uit de crisis?

Tijdschrift Justitiële verkenningen, Aflevering 4 2013
Trefwoorden forensic care budget cuts, TBS order, treatment time, risk society, risk analysis
Auteurs M.H. Nagtegaal
SamenvattingAuteursinformatie

    The economic crisis in the Netherlands forces the Ministry of Security and Justice to cut expenses. In the forensic psychiatric sector, the main savings are expected from reducing the length of stay of forensic psychiatric patients (TBS-patients) in high security hospitals. Currently, over 70% of all TBS-patients do not reach the now set goal of successfully terminating their treatment program within eight years. The present article questions whether it is plausible that this goal will be reached. Research has shown that there are several possible measures that can be undertaken to reduce the length of stay. Examples of these are identifying subgroups of patients who take particularly long to complete their treatment and setting up interventions for those patients, reducing the focus on risks in society and in forensic practice, and the inclusion of protective factors in risk assessment. These factors may help in finding a way out of the crisis.


M.H. Nagtegaal
Dr. Marleen Nagtegaal is als onderzoeker verbonden aan het WODC.
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