# Arieta Data Legal Eval (built to your spec, on request)

> Arieta Data Legal Eval is retrieval QA and citation QA built to your specification from the citation graph and version history: your jurisdictions, languages and dates, with point-in-time answers and held-out snapshots.

URL: https://data.arietalabs.com/datasets/eval/

- Records: built to your spec, on request
- Unit: one record per question, built to your spec
- 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: Retrieval benchmarks with graph-derived gold sets; Point-in-time QA; Citation prediction

## Schema

| Field | Type | Nullable | Description |
| --- | --- | --- | --- |
| id | string | no | Question id. |
| question | string | no | Natural-language question. |
| goldIds | list<string> | no | Ids of the documents/articles that answer it. |
| asOf | date | no | Date the answer is valid for. |
| snapshotId | string | no | Snapshot the item was derived from. |
