[Foundation-l] Wikipedia colored according to trust

Luca de Alfaro luca at dealfaro.org
Wed Dec 19 22:21:30 UTC 2007

Yes, we will be releasing a skin to do just that in a short while.  People
using the skin will be able to view the colored page.
Still, this will be for the static snapshot.
To be able to view the trust of an always up-to-date version of the pages,
we need to put more work into it; it may be ready in a couple of months or

I am glad you like it!

And btw, see the comment below to your technical point.


On Dec 19, 2007 2:12 PM, Nathan Awrich <nawrich at gmail.com> wrote:

> I would really like to see this as a script that you can add to view
> live the 'trust' of the current revision of every article. You could
> even have cat:untrusted as a way of storing articles that are
> candidates for revision.


> It looks like it has some issues as obviously
> it can't evaluate actual text, or the weight/value of additional
> contributions (which, regardless of their actual value, contribute to
> the relative trust of the rest of the article). Still, pretty neat.

We do take into account additional contributions: if you do a little change
to a paragraph, the text close to the change has a trust that depends on
your reputation, but the text in the rest of the paragraph gains trust, as
by leaving it in place you have implicitly voted "I agree with it".
The algorithms we use are explained in the papers cited.  I know they are
hard to read; I am preparing a simpler visual explanation of the algorithms.


> ~Nathan
> On Dec 19, 2007 5:03 PM, Luca de Alfaro <luca at dealfaro.org> wrote:
> > Dear All,
> >
> > we have a demo at http://wiki-trust.cse.ucsc.edu/ that features the
> whole
> > English Wikipedia, as of its February 6, 2007 snapshot, colored
> according to
> > text trust.
> > This is the first time that even we can look at how the "trust coloring"
> > looks on the whole of the Wikipedia!
> > We would be very interested in feedback (the
> > wikiquality-l at lists.wikimedia.org mailing list is the best place).
> >
> > If you find bugs, you can email us at
> > http://groups.google.com/group/wiki-trust
> >
> > Happy Holidays!
> >
> > Luca
> >
> > PS: yes, we know, some images look off.  It is currently fairly
> difficult
> > for a site outside of the Wikipedia to fetch Wikipedia images correctly.
> >
> > PPS: there are going to be a few planned power outages on our campus in
> the
> > next days, so if the demo is off, try again later.
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> >
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