The once-only principle - simply explained
Once-only in the business sector
Conference on the once-only principle in Berlin
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The once-only principle can only be successfully implemented when data protection and privacy issues are carefully addressed. How can we ensure the protection of sensible data of citizens when providing digital public services? How is the implementation of the GDPR affecting linked data?

We would like to discuss these important questions with you in Brussels, Belgium on April 26th, 2018. Join us and register by sending us an email ( or contacting us on our website (
For more information on our workshop in Brussels, please visit our website here:

Thu 9:00 AM UTC+02Brussels, Belgium

Congratulations to our sister project TOOP! 🎉

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TOOP4eu added 3 new photos.

TOOP project has made a significant progress towards the implementation of OOP. The project team received a positive feedback from independent reviewers‼️ 👏😁


This week experts on open data met in Belgium to discuss smart societies and open communities. If you missed the event, you can find the presenations here:

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Digital public services and their interoperability is essential. Check out the benefits of Interoperability Maturity Assessment of a Public Service (IMAPS).👇👀

Assess interoperability of your digital public service with new ISA² online tool

Missed our workshops in Bulgaria and Romania? No problem: we have uploaded all presentations to our website. Stay tuned for more workshops in the upcoming months!

We are excited to be part of #SEMIC2018 in Sofia, Bulgaria on June 14th!
The annual #semantic #interoperability conference features linked digital #publicadministrations, inluding topics such as base registries, once-only principle, artificial intelligence, blockchain and eProcurement. Register now!!Bd34TW

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Cluj IT Cluster is with Primaria Cluj-Napoca and 4 others at Casino Centru de Cultura Urbana Cluj.

Today we talked about the once-only concept and the possibility of its implementation in Romania, as a path to reach complete institutional interoperability. By... using case studies such as Estonia and Austria and an analysis of existing challenges, can determine opportunities for local implementation.

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#onceonly in Romania is in full swing - here are a few first impressions from our speakers at our workshop in #ClujNapoca!

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ADR Nord-Vest

Un eveniment, in cadrul caruia ADR Nord-Vest este partener, lanseaza si la Cluj instrumente si principii pentru facilitarea accesului si comunicarii organizati...ilor la nivel european, prin accesul direct la baze de date transnationale
Mai multe detalii:

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History is making! #Estonia and #Finland are ready for rapid exchange of information between the countries - the example how once only principle works even cross-border. Well done,
Riigi Infosüsteemi Amet Väestörekisterikeskus!

Finland's Population Register Centre and Estonia's Information System Authority have interconnected the two countries' data exchange layers X-Road and to one another. This will make it technologically possible to transfer data electronically over the Gulf of Finland between organisations th...

Our stakeholder workshop in has started! 😊 We are excited to be in beautiful #ClujNapoca, Romania and are looking forward to insightful discussions with our participants and speakers! Arxia

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#SCOOP4C is touring the EU at the moment. Next stop? 👉#ClujNapoca Romania for our stakeholder workshop tomorrow. Need some digital background info on Romania? Check out their Digital Agenda here: #onceonly Ministerul Educației Ministerul Transporturilor Româniai Ministerul Sănătăţii - România

The "National Strategy on Digital Agenda for Romania" (2014-2020) directly targets the ICT sector, aims to contribute to economic growth and to increase competitiveness in Romania, both by direct action and support of development of effective

Thank you to all participants and speakers at our workshop in #Sofia #Bulgaria today! A special thank you goes out to the
Българска академия на науките - БАН Bulgarian Academy of Sciences and Kamen Spassov for the great organisation! #onceonly #SCOOP4C

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Eleni Panopoulou from CERTH discusses different stakeholder groups of the #onceonly principle: "We need to involve the civil society groups in the discussion on the once-only principle." @ our workshop in #Sofia #Bulgaria today!

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We have updated our agenda for our #onceonly workshop in #ClujNapoca next week. Register here and join us to discuss the once-only principle in Romania ADR Nord-Vest Cluj IT Cluster Digital Citizens Romania Technical University of Cluj-Napoca

SCOOP4C is heading to Transilvania! On February 27th 2018, SCOOP4C we are having an event Cluj-Napoca, Romanias second biggest city. Join us for an exciting day where we want to discuss with regional experts on the implementation of the once-only principle.

Jan Joost Norder from the Dutch Ministry of Education Culture and Science Rijksoverheid, discusses Studielink, a best-practise case of #onceonly: "Since 2013 our diplomaregister has registered over 950.000 downloads." #onceonly in action and working! #SCOOP4C at our Sofia workshop in Bulgaria today!

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