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Characteristics or information, usually numerical, that are collected through observation.

According to Directive 2006/24/EC, "data" means traffic data and location data and the related data necessary to identify the subscriber or user.

Source: Organisation for Economic Co-operation and Development , Directive 2006/24/EC


A logical collection of information that is interrelated and that is managed and stored as a unit, for example in the same computer file. The terms database and data set are often used interchangeably.

Source: Organisation for Economic Co-operation and Development

Data retention

Data retention refers to all obligations on the part of controllers to retain personal data for certain purposes.

The Data Retention Directive (Directive 2006/24/EC) contains an obligation for providers of electronic communications to retain traffic and location data of communications through telephone, e-mail, etc. The retention takes place for the purpose of the investigation, detection and prosecution of serious crime.

Source: European Data Protection Supervisor , Directive 2006/24/EC


Any person who is granted entry and residence by an EU State to stay with their family member (i.e. the person referred to as "sponsor" in Directive 2003/86/EC) and who has explicitly filed an application for reasons of family reunification.

Source: European Migration Network


A person in detention.

Source: European Migration Network


Restriction on freedom of movement through confinement. It can either be criminal detention, having as a purpose punishment for a crime, or administrative detention, guaranteeing that another administrative procedure can be implemented.

Source: United Nations Educational, Scientific and Cultural Organisation


Individuals and members or networks, associations and communities, who have left their country of origin, but maintain links with their homelands.

Source: International Organization for Migration

Direct management

EU funding managed directly by the European Commission, such as in the fields of migration, asylum and borders.

Source: Communication COM(2005) 123 final

Displaced person

Non-EU nationals or stateless persons who have had to leave their country or region of origin or have been evacuated, in particular in response to an appeal by international organisations, and are unable to return in safe and durable conditions because of the situation prevailing in that country, who may fall within the scope of Article 1A of the Geneva Convention or other international or national instruments giving international protection, in particular:

  • persons who have fled areas of armed conflict or endemic violence,
  • persons at serious risk of, or who have been the victims of, systematic or generalised violations of their human rights.

Source: Council Directive 2001/55/EC

Dormant data

Data in passive use. Access to such data is restricted.

Source: Proposal COM(2007) 654 final

Dormant database

Contains data that is in passive use and to which access is more restricted than to data in active use.

Source: Communication COM(2010) 385 final

Dublin Convention

Convention determining the EU State responsible for examining applications for asylum lodged in one of the EU States.

Source: Dublin Convention

Dublin Regulation

Lays down the criteria and mechanisms for determining the EU State responsible for examining an application for asylum lodged in one of the EU States by a non-EU national.

Source: Council Regulation (EC) 343/2003

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