Yazar "Xanthopoulos, Petros" için listeleme
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Estimating the number of clusters in a dataset via consensus clustering
Unlu, Ramazan; Xanthopoulos, Petros (Pergamon-Elsevier Science Ltd, 2019)In unsupervised learning, the problem of finding the appropriate number of clusters-usually notated as k- is very challenging. Its importance lies in the fact that k is a vital hyperparameter for the most clustering ... -
A reduced variance unsupervised ensemble learning algorithm based on modern portfolio theory
Unlu, Ramazan; Xanthopoulos, Petros (Pergamon-Elsevier Science Ltd, 2021)Unsupervised ensemble learning or consensus clustering has gained popularity due to its ability to combine multiple clustering solutions into a single solution that is robust and often performs better than the individual ...