Encyclopedia
Query-level feature
A query-level feature (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?
Sources and credits
This article is adapted from the Wikipedia article “Query-level feature”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
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