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README.md
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# French Legal Document Vector Database
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## Overview of DILA Repository Datasets
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This document describes a vector database containing four datasets from the DILA
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(Direction de l'Information légale et administrative) repository, which contains
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documents produced by various French governmental institutions.
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The complete repository can be accessed at: https://echanges.dila.gouv.fr/OPENDATA/
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## Dataset Descriptions
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### 1. DOLE (Legislative Files)
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- Contains laws published since the beginning of the 12th legislature (June 2002)
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- Includes ordinances published since 2002
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- Contains laws in preparation (bills and proposals)
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### 2. CONSTIT (Constitutional Council Decisions)
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- Includes all decisions made by the Constitutional Council since its creation under
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the Constitution of October 4, 1958
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- Contains:
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- Constitutional reviews
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- Electoral disputes
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- Appointments
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- Other decisions
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### 3. CNIL (National Commission on Information Technology and Civil Liberties)
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- Contains all CNIL deliberations since 1978, including:
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- Opinions
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- Recommendations
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- Simplified standards
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- Authorizations
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- Since 2012: Integration of authorization decisions (data processing, medical research)
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### 4. LEGI (National Legislation and Regulations)
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- Contains consolidated full text of national legislation and regulations, including:
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- Official codes
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- Laws
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- Decree-laws
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- Ordinances
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- Decrees
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- Selected orders
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## Technical Implementation
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### Data Processing
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- Original format: XML within a complex nested folder structure
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- Converted to: Parquet format with relevant metadata in separate columns
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- Embedding model: BGE-M3-Large
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- Chunk size: Approximately 350 words for RAG system compatibility
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- Storage: LanceDB databases for improved retrieval methods (e.g., hybrid search)
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- The "text" column has been vectorized and stored in LanceDB databases
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- The main title of each document comes from the "name" column
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- All other columns have been preserved as metadata for each entry
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### Collection-Specific Modifications
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#### DOLE, CONSTIT, and CNIL
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- "name" column content prepended to each "text" entry
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#### CNIL-Specific
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- Filtered to retain only entries with "VIGUEUR" status in etat_juridique column
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#### LEGI-Specific
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- Split into two parquet files for improved handling with pandas and other libraries
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- "name" column created by concatenating "titre" and "article" fields
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- "name" column content prepended to each "text" entry
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- Filtered to retain only entries with "VIGUEUR" or "VIGUEUR_DIFF" status in etat_value column
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