Searchplex ID Retrieval terminology registry

Metric Family

Recall Metric

Canonical ID https://id.searchplex.net/recall-metric/

A family of retrieval or ranking evaluation metrics that emphasize coverage of relevant items.

Also called

  • Recall-Oriented Metric
  • Recall-Based Metric

Scope

Recall-oriented metrics are especially important for candidate retrieval, high-recall retrieval, and first-stage retrieval, where the goal is to avoid losing relevant items before later ranking stages.

Includes

Not equivalent to

  • Recall Metric is not Precision Metric. Recall metrics emphasize coverage of relevant items; precision metrics emphasize the fraction of returned results that are relevant.

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ID