README.md

---
license: mit
language:
  - it
tags:
  - legal
  - italian-law
  - normattiva
  - voom
size_categories:
  - 100K<n<1M
---

# OpenNormattiva VOOM Dataset

**VOOM = Vigente + Originale (abrogati) + Multivigente**

Complete Italian law corpus from [Normattiva](https://www.normattiva.it/), built 2026-05-10.

## Contents

| Track | Laws | Description |
|-------|------|-------------|
| **Vigente** | 67,052 | Currently in-force laws (V track) |
| **Abrogati** | 123,859 | Repealed/abrogated laws (O track) |
| **Total (laws.db)** | 190,911 | Primary database |
| **Multivigente** | 390,747 | Amendment versions (M track, separate DB) |

## Files

| File | Description | Size |
|------|-------------|------|
| `data/laws.db` | Primary SQLite DB (FTS5, vigente + abrogati) | ~1.15 GB |
| `data/multivigente.db` | Amendment history SQLite DB (on-demand) | ~2.0 GB |
| `data/processed/laws_vigente.jsonl` | In-force laws as JSONL | ~935 MB |
| `data/processed/laws_abrogati.jsonl` | Abrogated laws as JSONL | ~713 MB |
| `data/processed/laws_multivigente.jsonl` | Amendment versions as JSONL | ~2.5 GB |

## Schema (laws.db — `laws` table)

```
urn TEXT PRIMARY KEY
title TEXT
type TEXT          -- legge / decreto.legge / etc.
date TEXT          -- ISO date of enactment
year INTEGER
text TEXT          -- full body text (capped at 150KB)
text_length INTEGER
article_count INTEGER
status TEXT        -- 'in_force' | 'abrogated'
source_collection TEXT
importance_score REAL  -- PageRank score
```

## Schema (multivigente.db — `law_versions` table)

```
law_urn TEXT       -- FK to laws.urn
version_date TEXT  -- date of this amendment snapshot
title TEXT
type TEXT
year INTEGER
text TEXT          -- full text of this version
text_length INTEGER
article_count INTEGER
```

## Source

Data sourced from the [Normattiva Open Data API](https://dati.normattiva.it/) under the Italian Open Government License (IODL 2.0).