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The proposed mechanism makes brigading harder (e.g. a voter is only weighted highly if they are adding useful information, such that increasing their weight imp
by paulchristiano 10y ago
The proposed mechanism makes brigading harder (e.g. a voter is only weighted highly if they are adding useful information, such that increasing their weight improves predictive accuracy), but doesn't make it impossible.
In any case, it seems extreme to call existing systems "unworkable."
- lightedman 10y ago"a voter is only weighted highly if they are adding useful information" Just how do you propose one determines if the information is useful? Again, back to my original point, you'd need a system trained in EVERY FIELD. In other words, such systems are pretty much unworkable unless you're giving it full access to the entire ACCURATE knowledge of mankind. You happen to have a nice accurate database of everything man's ever accomplished and discovered for such a machine to use? Even Watson isn't even close to that level.
- paulchristiano 10y agoBy "useful" I mean "improves our ability to predict what the moderator would say." The mechanism for determination is just the usual approach in machine learning, set the weights to minimize prediction error. (Plus some regularization, which may incorporate a prior against new users offering useful feedback.)