Glossary
The vocabulary of legal data.
19 terms that come up when you build AI on EU and national law. Each has its own page with sources.
- AI Act training-content summary
- Under Article 53(1)(d) of the AI Act, providers of general-purpose AI models must publish a sufficiently detailed summary of the content used for training, using the template provided by the AI Office.
- CELEX number
- A CELEX number is the unique document identifier EUR-Lex assigns to every EU legal document, encoding its sector, year, document type and sequence number.
- Cellar
- Cellar is the Publications Office of the European Union’s semantic repository that stores EU publications and their metadata and feeds EUR-Lex; it exposes SPARQL and REST interfaces.
- Citation graph
- A legal citation graph is a directed graph whose nodes are legal documents and whose edges record that one document cites, amends, repeals, implements or transposes another.
- CJEU (Court of Justice of the European Union)
- The Court of Justice of the European Union (CJEU) is the EU’s judicial institution, made up of the Court of Justice and the General Court; its rulings interpret EU law for every member state.
- Consolidated text
- A consolidated text is a version of an act that merges the original with all its later amendments and corrigenda into one readable document; in most systems it is for information only, though some countries publish official consolidations.
- Content hash
- A content hash is a SHA-256 digest of a document’s normalised parsed text; Arieta Data records a new version whenever the hash changes.
- Croissant
- Croissant is MLCommons’ JSON-LD metadata format for machine-learning datasets, extending schema.org Dataset with record sets, fields and file descriptions so tools can load a dataset without custom code.
- Datasheet for datasets
- A datasheet for datasets is a structured document describing a dataset’s motivation, composition, collection process, preprocessing, uses, distribution and maintenance, following Gebru et al.
- Delta snapshot
- A delta snapshot contains only what changed since the previous snapshot: new and updated records (upserts) and withdrawn records (tombstones).
- ECLI (European Case Law Identifier)
- The European Case Law Identifier (ECLI) is a uniform identifier for court decisions across EU member states and EU courts, in the form ECLI:country:court:year:number.
- ELI (European Legislation Identifier)
- The European Legislation Identifier (ELI) is a URI scheme and metadata model that gives legislation stable, human-readable web identifiers, such as http://data.europa.eu/eli/reg/2016/679/oj.
- EUR-Lex
- EUR-Lex is the official online portal to EU law, run by the Publications Office of the European Union, giving free access to the Official Journal, legislation, case law and preparatory acts.
- Official Journal of the European Union
- The Official Journal of the European Union (OJ) is the EU’s gazette; since 1 July 2013 its electronic edition is the authentic, legally binding publication of EU legislation.
- Point-in-time data
- Point-in-time data records what a source said at each moment, so a model or eval can be restricted to information that existed on a given date.
- Snapshot
- An Arieta Data snapshot is a complete, immutable monthly cut of every SKU, identified YYYY-MM and shipped with a manifest of counts and SHA-256 checksums per shard.
- Tombstone
- A tombstone is a record in a delta snapshot saying that a previously delivered record has been withdrawn and must be deleted by every licensee.
- Transposition
- Transposition is the process by which an EU member state turns a directive into national law, by adopting national measures it then notifies to the European Commission.
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