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.
- PHP version 7.3 or later
- MySQL or Microsoft SQL Server database
- Apache, IIS or NGINX
User and admin guide - https://ihsn.github.io/nada-documentation/
System requirements and steps for installation - NADA installation guide.
Documentation for upgrading from various versions - NADA upgrade 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/
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
- R package - https://github.com/mah0001/nadar
- Python package - https://pypi.org/project/pynada/
For the versions available, see the tags on this repository.
This project is licensed under the MIT License - see the license.txt file for details
- CodeIgniter
- Bootstrap
- todo - other libraries used