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Plugin to integrate Learning to Rank (aka machine learning for better relevance) with Elasticsearch
A Learning to Rank Library
Learning-to-Rank for Apache Lucene
A library of learning to rank algorithms
Hardened Fork of Ranklib learning to rank library
A RankLib based Solr Learning to Rank Plugin
Set of command line tools for Learning To Rank
A Java implementation of ListRank-MF mentioned in List-wise Learning to Rank ith Matrix Factorization for Collaborative Filtering