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cs.LG2022
Characterizing instance hardness in classification and regression problems
Gustavo P. Torquette, Victor S. Nunes, Pedro Y. A. Paiva +2
Some recent pieces of work in the Machine Learning (ML) literature have demonstrated the usefulness of assessing which observations are hardest to have their label predicted accura…
cs.SI2022
Community-based anomaly detection using spectral graph filtering
Rodrigo Francisquini, Ana Carolina Lorena, Mariá C. V. Nascimento
Several applications have a community structure where the nodes of the same community share similar attributes. Anomaly or outlier detection in networks is a relevant and widely st…