Hi there!
My name is Ian Seyer - I am the project lead for a proposed Project Grant called
Arc.heolo.gy.
Arc.heolo.gy is a wikipedia dump to XML to graphDB (Neo4j at the moment) engine. In its current form, it builds a database wherein all href links are parsed as Relationships. This allows for pathfinding between articles, and finding clusters of knowledge around a particular topic or article.
The goal of the grant is to expand the possibilities of this tool - symantic parsing and relevance weighting using aspects of NLP, auto-updating when new dumps are available, and a generic 2d and VR-capable 3d visualization for networks such as this.
I have longtime been a fan of the Wikidata project (originally a Freebase user), and want the feedback of the community to gauge what features you would like to see, which would allow for maximum interoperability. I believe there is a huge overlap of functionality there that could be very advantageous to explore.
ps If you are interested in any aspect of this project, we are looking for volunteers to expand our team.