# Arieta Data Citation Graph

> Arieta Data Citation Graph is a typed, directed edge list linking EU legislation, CJEU case law and national law: references, amendments, repeals, corrigenda, implementation, legal bases, proposals and national transposition.

URL: https://data.arietalabs.com/datasets/graph/
Croissant: https://data.arietalabs.com/datasets/graph/croissant.json
Datasheet: https://data.arietalabs.com/datasets/graph/datasheet/
Free sample: https://data.arietalabs.com/samples/graph.jsonl.gz

- Records: 801,149 edges as of the November 2026 snapshot
- Unit: one record per directed, typed edge
- Formats: Apache Parquet (zstd-compressed, sharded at about 512 MB, one directory per SKU and lane); JSON Lines (gzip) (jsonl.gz, same records and field names as Parquet)
- Updates: monthly delta snapshots with upserts and tombstones
- Use cases: Hard-negative mining and positives for legal retrieval; Graph-aware RAG and re-ranking; Amendment and transposition tracking

## Schema

| Field | Type | Nullable | Description |
| --- | --- | --- | --- |
| source | string | no | Citing document id. |
| target | string | no | Cited document id. |
| sourceJurisdiction | string | no | Lane code of the citing document. |
| targetJurisdiction | string | no | Lane code of the cited document. |
| type | string | no | reference, amendment, repeal, corrigendum, implementation, legal-basis, proposal or transposition. |
| origin | string | no | Where the edge comes from: notice, cellar, notice+cellar, cellar-nim, source or resolver. |
| context | string | yes | Text around the citation in the citing document, where captured. |
| snapshotId | string | no | Snapshot the record belongs to. |

## Edge types

| Type | Meaning |
| --- | --- |
| reference | The citing document refers to the target. |
| amendment | The citing act amends the target (including partial replacement). |
| repeal | The citing act repeals the whole target act. |
| corrigendum | The citing document corrects a language version of the target. |
| implementation | A delegated or implementing act that completes the target. |
| legal-basis | The target is the legal basis of the citing act. |
| proposal | A Commission proposal and the act it would amend or became. |
| transposition | A national measure notified for, or recorded as transposing, an EU directive. |