CELLAR ID

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CELLAR IDs are native to the common repository of the Publications Office of the European Union →.

1.Location

Search for the General Data Protection Regulation (GDPR) in the Publication Office as an example →.

Publications Office URL contains the CELLAR ID:

https://op.europa.eu/en/publication-detail/-/publication/3e485e15-11bd-11e6-ba9a-01aa75ed71a1

CELLAR ID can also find the same document on EUR-Lex:

https://eur-lex.europa.eu/legal-content/EN/ALL/?uri=cellar:3e485e15-11bd-11e6-ba9a-01aa75ed71a1

The Publication Office page provides several identifiers under Publication Information: Identifiers for Legal Documents →

2.Construction

CELLAR IDs have four sublevels:

Work:           3e485e15-11bd-11e6-ba9a-01aa75ed71a1
Expression:     3e485e15-11bd-11e6-ba9a-01aa75ed71a1.0006
Manifestation:  3e485e15-11bd-11e6-ba9a-01aa75ed71a1.0006.01
Content stream: 3e485e15-11bd-11e6-ba9a-01aa75ed71a1.0006.01/DOC_1

Here, .0006 identifies English; .01, PDF; /DOC_1, a file. These numbers vary by document.

Use the document notice → to match the numbers to languages and formats. CES identifies Czech; ENG, English: Language Codes →. Format codes are listed in the File Types →.

A format can contain several files. The French GDPR in Formex has separate content files, including:

3e485e15-11bd-11e6-ba9a-01aa75ed71a1.0009.02/DOC_1
3e485e15-11bd-11e6-ba9a-01aa75ed71a1.0009.02/DOC_2

DOC_2 contains most of the text, excluding footnotes 1–21: Retrieving Document Files →.

For more detailed information: CELLAR Data Model →.

3.Metadata Notices

A notice describes a document: its identifiers, languages, formats and file links. It does not contain the document’s text.

Run these commands in Terminal. curl retrieves the notice; -L follows redirects; -H specifies the requested response.

Use object for one resource, tree for every language, branch for one language, and identifiers to match references.

For more detailed information: Metadata Notices →.

3.1.Object

Metadata for the GDPR itself:

curl -L -H 'Accept:application/xml;notice=object' 'https://publications.europa.eu/resource/celex/32016R0679?language=eng'

3.2.Tree

Metadata for the document and all its languages and formats:

curl -L -H 'Accept:application/rdf+xml;notice=tree' 'https://publications.europa.eu/resource/celex/32016R0679'

3.3.Branch

Metadata for the Czech version and its formats, with labels in English:

curl -L -H 'Accept:application/xml;notice=branch' -H 'Accept-Language:ces' 'https://publications.europa.eu/resource/celex/32016R0679?language=eng'

Accept-Language:ces selects Czech content; language=eng selects English metadata labels.

3.4.Identifiers

Other identifiers for the same resource:

curl -L -H 'Accept:application/xml;notice=identifiers' 'https://publications.europa.eu/resource/cellar/3e485e15-11bd-11e6-ba9a-01aa75ed71a1'