Search Results for author: Ana Carolina Lorena

Found 2 papers, 1 papers with code

Community-based anomaly detection using spectral graph filtering

no code implementations24 Jan 2022 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 Detection Outlier Detection

PyHard: a novel tool for generating hardness embeddings to support data-centric analysis

1 code implementation29 Sep 2021 Pedro Yuri Arbs Paiva, Kate Smith-Miles, Maria Gabriela Valeriano, Ana Carolina Lorena

We show in a COVID prognosis dataset how this analysis supported the identification of pockets of hard observations that challenge ML models and are therefore worth closer inspection, and the delineation of regions of strengths and weaknesses of ML models.

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