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Quantitative Finance · Glosario

¿Qué es Materialisation, feature freshness?

También llamado: materialisation · feature freshness

Definition 24.2 Machine Learning for Markets · Capítulo 24 — Data and Feature Stores

Materialisation is the job that computes feature values from their definitions and writes them to a store, in batch for the offline store or continuously for the online one. Feature freshness is the age of a served value: the time since the newest input it reflects, which a production system monitors and bounds.

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