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Different algorithms do indeed learn from data differently. But the entire purpose of a spam filter is to filter out spam, a word which is defined subjectively.
by IceMetalPunk 5y ago
Different algorithms do indeed learn from data differently. But the entire purpose of a spam filter is to filter out spam, a word which is defined subjectively. Any spam filter which acts contrary to its users' collective preferences would be considered bugged and broken, regardless of how it decided that, because it would mean it's not doing what it was designed to do, and not learning correctly.
- jeffbee 5y agoGmail spam quality is internally evaluated based on the ratio of moves into and out of the spam label. So you're completely correct: it is optimized for how its users collectively define spam. There is no objective definition of spam.