Tokhtakhunov, I. and Nurtas, M. 2026. NONLINEAR DIMENSIONALITY REDUCTION FOR LOOKALIKE AUDIENCE DETECTION USING MANIFOLD LEARNING AND AUTOENCODER-BASED REPRESENTATIONS. Journal of Problems in Computer Science and Information Technologies. 4, 1 (Mar. 2026), 86–99. DOI:https://doi.org/10.26577/jpcsit4120268.