Got deprecated end of January 2020. There are currently no plans to develop this any further. The deep category search was integrated into CirrusSearch. See https://www.mediawiki.org/wiki/Help:CirrusSearch#Deepcategory
Catgraph is a simple and fast in-memory graph database which supports basic queries such as recursive category search and category intersection search in Wikipedia categories. It backs several tools such as Article List Generator and DeepCat Gadget.
The code is located in the following repositories:
- Graphserv: the graph processor server component. https://github.com/wmde/graphserv
- Graphcore: the graph processor database component. https://github.com/wmde/graphcore
- Graphcare: Catgraph maintenance script. https://github.com/wmde/graphcare
- Catgraph-service: Service for catgraph. https://github.com/wmde/catgraph-service
- Catgraph-web: Web frontend/API for Catgraph. https://github.com/wmde/catgraph-web
- Catgraph-client-php: PHP client for Catgraph. https://github.com/wmde/catgraph-client-php
- Catgraph-client-python: Python client for catgraph. https://github.com/wmde/catgraph-client-python
- Catgraph-jsonp: JSONP interface for Catgraph. https://github.com/wmde/catgraph-jsonp
Extended description and documentation is available on Wikitech.