Hey,
I just wrote down a small into into our phase 3 components:
http://www.bn2vs.com/blog/2014/05/06/the-wikidata-phase3-software-component…
This was written so I could also cover our migration to Doctrine DBAL:
http://www.bn2vs.com/blog/2014/05/06/wikibase-and-doctrine-dbal/
Cheers
--
Jeroen De Dauw -
http://www.bn2vs.com
Software craftsmanship advocate
Evil software architect at Wikimedia Germany
~=[,,_,,]:3