Re: hyperlinks as bets: pagerank variant as an artificial game market



On Jun 29, 2:18 am, "Joachim Pimiskern" <JoachimPimisk...@xxxxxx>
wrote:
<amich...@xxxxxxxxx> schrieb:

When page X links to Y, then the pagerank of X goes
up (down) if the pagerank of Y goes up (down).

Now I'm catching it - you mean the inverse
direction of influence as usual. But then,
every spammer could gain a high ranking by
adding a link section on his page to a
collection of really valuable pages.

Regards,
Joachim

It looks at *changes* in (modified?) pagerank though.

Can one show that all such approaches are easy to spam? Or is there
something clever that you can do to make it more difficult?

Amir

.