Tag: hubness phenomenon
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Publications 2017.09.15
Publications 2017.09.15
リッジ回帰によるk近傍分類の性能改善 (IBISML) Ridge Regression for Improving the Accuracy of k-Nearest Neighbor Classification
本論文では, $k$近傍分類のための非類似度関数とその学習法を提案する. 既存の距離学習は, 目的関数に基づいた写像行列を学習し, この写像行列を用いてクエリ事例とラベル付き事例を特徴空間の新たな点に写像する. 一方で,... -
Publications 2017.05.18
Publications 2017.05.18
A Fast and Easy Regression Technique for k-NN Classification Without Using Negative Pairs (PAKDD2017) A Fast and Easy Regression Technique for k-NN Classification Without Using Negative Pairs (PAKDD2017)
This paper proposes an inexpensive way to learn an effective dissimilarity function to be used for k-nearest n...classificationhubness phenomenonk-nearest neighbormetric learning