RankLib

Stub. Created as a placeholder — expand with vault-sourced content.

What it is

Java learning-to-rank library (originally part of the Lemur project) implementing LambdaMART, RankNet, and other LTR algorithms. RankyMcRankFace is the o19s fork commonly used with the Solr/Elasticsearch LTR plugins.

Vault references (existing coverage)

• Otto — LambdaMART trained with RankyMcRankFace, served via Solr LTR plugin
• Part 1 - Learning to Rank for E-Commerce Search at Otto

TODO

• Confirm full algorithm list and relationship to the o19s fork.

Related

• LambdaMART · RankNet · Learning to Rank
• Elasticsearch Learning to Rank · We’re Bringing Learning to Rank to Elasticsearch — the o19s ES LTR plugin integrates RankLib