articleJun 23, 2010Closed access

From RankNet to LambdaRank to LambdaMART: An Overview

CJChristopher J. C. Burges

Microsoft Research (United Kingdom)

Abstract

LambdaMART is the boosted tree version of LambdaRank, which is based on RankNet. RankNet, LambdaRank, and LambdaMART have proven to be very successful algorithms for solving real world ranking problems: for example an ensemble of LambdaMART rankers won Track 1 of the 2010 Yahoo! Learning To Rank Challenge. The details of these algorithms are spread across several papers and reports, and so here we give a self-contained, detailed and complete description of them. 1

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Topics & keywords

Topics
Keywords
  • Computer science
  • Learning to rank
  • Ranking (information retrieval)
  • Artificial intelligence
  • Rank (graph theory)
  • Machine learning
  • Mathematics
  • Combinatorics
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