Learning Better Data Representation Using Inference-Driven Metric Learning
Paramveer S. Dhillon, Partha Talukdar, Koby Crammer · 2010
We initiate a study comparing effectiveness of the transformed spaces learned by recently proposed supervised, and semisupervised metric learning algorithms to those generated by previously proposed unsupervised dimensionality reduction methods (e.g., PCA). Through a variety of experiments on different realworld datasets, we find IDML-IT, a semisupervised metric learning algorithm to be the most effective. 1