Oliver, 

You might want to check our documentation in wikitech regarding identity reconstruction. I think it covers your point #1.


https://wikitech.wikimedia.org/wiki/Analytics/Data/Preventing_identity_reconstruction

Nuria



On Jan 2, 2016, at 10:00 AM, Oliver Keyes <okeyes@wikimedia.org> wrote:

Hey y'all

I'm working on a piece of research (largely recreational) on the old
problem of fingerprinting users with minimal information - namely the
combination of a user agent and an IP address. Basically I'm looking
to put together a piece of work showing:

1. How sub-standard it is;
2. How fast it decays;
3. How the sub-standardness varies by (platform|location)

This would be pretty doable with internal data; basically I'd need a
schema with IP, user agent and a per-user UUID that's got a decent
(>=24 hours) expiry time. My question: does anyone know of a table
with recent data that meets these requirements? And, if not, anyone
with EventLogging experience interested in working on the problem with
me?

--
Oliver Keyes
Count Logula
Wikimedia Foundation

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