WikiSym has changed it's named to OpenSym and this year it will take place on 27th – 29th August in Berlin. It's an annual symposium about open collaboration. The list of tracks includes:

Open access research
Open data research
Open education resources research
Free, libre, and open source software research
IT-driven open innovation research
Wikipedia research
Wikis and open collaboration

They issued a call for papers last week so if your interested, the page on their website about submissions has more details including the array of deadlines for different tracks.

Richard Nevell

Wikimedia UK

+44 (0) 20 7065 0753

Wikimedia UK is a Company Limited by Guarantee registered in England and Wales, Registered No. 6741827. Registered Charity No.1144513. Registered Office 4th Floor, Development House, 56-64 Leonard Street, London EC2A 4LT. United Kingdom. Wikimedia UK is the UK chapter of a global Wikimedia movement. The Wikimedia projects are run by the Wikimedia Foundation (who operate Wikipedia, amongst other projects).

Wikimedia UK is an independent non-profit charity with no legal control over Wikipedia nor responsibility for its contents.