NADA - Data Catalog

NADA is an open source microdata cataloging system, compliant with the Data Documentation Initiative (DDI) and Dublin Core’s RDF metadata standards. It serves as a portal for researchers to browse, search, compare, apply for access, and download relevant census or survey datasets, questionnaires, reports and other information.

Getting Started

• NADA documentation
• API/Schemas documentation

Server Requirements

• PHP version 7.3 or later
• MySQL or Microsoft SQL Server database
• Apache, IIS or NGINX

Documentation

User and admin guide - https://ihsn.github.io/nada-documentation/

Installation

System requirements and steps for installation - NADA installation guide.

Upgrading from older versions of NADA

Documentation for upgrading from various versions - NADA upgrade guide.

Schema guide

NADA supports multiple data types that include Microdata (DDI CodeBook 2.5), Document, Table, Geospatial, Timeseries, Visualization and Image. For all data types, documentation is available in the draft guide (https://mah0001.github.io/schema-guide/). See our demo catalog show casing all support data types - https://nada-demo.ihsn.org/index.php/catalog/

API documentation

The API documentation is available in OpenAPI/Swagger format here - https://ihsn.github.io/nada-api-redoc/catalog-admin/

For Getting started with the API, read the Administrator Guide section which covers both using the web interface and the API - https://ihsn.github.io/nada-documentation/getting-started/#publishing-a-document

API Client tools

• R package - https://github.com/mah0001/nadar
• Python package - https://pypi.org/project/pynada/

Versioning

For the versions available, see the tags on this repository.

Authors

• IHSN - International Household Survey Network

License

This project is licensed under the MIT License - see the license.txt file for details

Acknowledgments

• CodeIgniter
• Bootstrap
• todo - other libraries used