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Super-efficiency measurement under variable return to scale: an approach based on a new directional distance function.
Ruiyue Lin
Zhiping Chen
Published in:
J. Oper. Res. Soc. (2015)
Keyphrases
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distance function
knn
similarity search
nearest neighbor
distance measure
distance metric
similarity function
data points
euclidean distance
metric space
metric learning
k nearest neighbor
nearest neighbor classification
feature weights
image processing
triangle inequality
scale space
feature vectors