Metric Learning to Rank

Brian Mcfee and Gert Lanckriet
March 15, 2010

We study metric learning as a problem of information retrieval. We present a general metric learning algorithm, based on the structural SVM framework, to learn a metric such that rankings of data induced by dis- tance from a query can be optimized against various ranking measures, such as AUC, Precision-at-k, MRR, MAP or NDCG. We demonstrate ex- perimental results on standard classication data sets, and a large-scale online dating recommendation problem.

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