Replying to Avatar Vitor Pamplona

Any duplicated message with > 50 chars and exactly the same content gets marked as Spam.

If they are made by the same user and the user is not a follow of the current user, mark user as spammer.

Spammer goes into a timeout filter until the app goes to the background and back, when the process and counter restarts.
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Leo Fernevak 2y ago

Nice.

Just thinking out loud, not knowing your exact approach, one method one could compare note content by percentage is to write a function that adds up all the ASCII characters in a note and then produce a score from this. Notes with over 50 characters and with small score differentials posted within a short timeframe are thereby similar in content and likely spam.

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Vitor Pamplona 2y ago

And there are tons of text similarity algorithms. No idea which one will work better.

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Leo Fernevak 2y ago

Right. The real spam problems will surface further on when AI bots will make procedurally generated content. Then web-of-trust scores may become useful.