PEDRO ANTONIO GUTIÉRREZ PEÑACESAR HERVAS MARTINEZ2026-01-292026-01-29201510.1109/TKDE.2014.23657802-s2.0-84926628016https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/26048Computational Theory and MathematicsComputer Science ApplicationsInformation SystemsGraph-based approaches for over-sampling in the context of ordinal regressionresearch article