Attribut statistique de requête

Définition

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Query-level feature

A query-level feature or QLF is a ranking feature utilized in a machine-learned ranking algorithm.

Example QLFs:

• How many times has this query been run in the last month?
• How many words are in the query?
• What is the sum/average/min/max/median of the BM25F values for the query?

Source : Source : Wikipedia

Source : Wikipedia Machine learning algorithms