A new approach to estimate neighborhood socioeconomic status using supermarket transactions and GNNsEduardo Cruz, Monica Villavicencio, Carmen Vaca, Lisette Espín-Noboa and Nervo VerdezotoEPJ Data Sci., 14 1 (2025) 3DOI: https://doi.org/10.1140/epjds/s13688-024-00515-9