no code implementations • 8 Jun 2021 • Yasitha Warahena Liyanage, Daphney-Stavroula Zois, Charalampos Chelmis
In a typical supervised machine learning setting, the predictions on all test instances are based on a common subset of features discovered during model training.
no code implementations • 21 Apr 2020 • Yasitha Warahena Liyanage, Daphney-Stavroula Zois, Charalampos Chelmis
Specifically, online feature selection methods can handle either streaming features or data instances offline to produce a fixed set of features for classification, while online classification methods classify incoming instances using full knowledge about the feature space.
no code implementations • 14 Apr 2018 • Muhammad Rizwan Saeed, Charalampos Chelmis, Viktor K. Prasanna
However, such approaches lead to representations comprising mostly "popular", instead of "relevant", entities in the KG.