KNN classification and hybrid decision-tree photometric redshift estimation applied to DES DR2 data yields a quasar catalog of 872k objects with reported performance metrics.
Sadeh et al.,Annz2: Photometric redshift and probability distribution function estimation using machine learning,ApJS219(2016) 1
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Photometric classification of quasars from DES and photo-$z$ estimation with Machine Learning
KNN classification and hybrid decision-tree photometric redshift estimation applied to DES DR2 data yields a quasar catalog of 872k objects with reported performance metrics.