The signals · The signal set · Element
The freshness
How current the signal is.
The part
What it is
Behaviour from two years ago describes a former customer. Stale signals produce confidently wrong personalisation, which is the worst kind.
A decay rule — signals older than a period stop counting — is simple and effective.
The smallest level
The attributes it carries
Each attribute is one of the framework’s shared types. What a date is, and how it is written, is defined once for the whole model — the note here says what it means in this particular place.
The other elements in the signal set
The signals
What drives each personalisation.
LearnThe coverage
How many customers the signal exists for.
Learn