Jump to content

Query-level feature

From Wikipedia, the free encyclopedia
This is an old revision of this page, as edited by Bearcat (talk | contribs) at 00:24, 15 February 2014 (categorization tag using AWB). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

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?