Re: anonymous collaborative filtering

From: James Rogers (
Date: Mon Sep 23 2002 - 16:04:07 MDT

On Mon, 2002-09-23 at 14:26, Mitch Howe wrote:
> But with any kind of system like this there is a potential for abuse by
> people who take out multiple accounts, either to artificially inflate the
> value of their opinions or to get around flagging limitations.

One way to manage this is to weight any points given to a post by a
person's reputation based on previous posts. This encourages not just
contribution, but contribution that has good value. People who post
things that garner lots of points will in turn be able to have more
impact on the scoring of the posts of others.

This sets a barrier of entry on a new account such that a person won't
be able to significantly moderate other people's posts until they've
made some worthwhile contributions of their own. Among other things, it
minimizes the value of having multiple accounts so that you can
astroturf your stats.

-James Rogers

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