Heterogeneous-Graph Convolutional Network for Authorship Verification. - Andric Valdez-Valenzuela; Jorge Alfonso Martinez Galicia; Helena Gómez-Adorno (CLEF (Working Notes), 2023)

Team iimasnlp at PAN: Leveraging Graph Neural Networks and Large Language Models for Generative AI Authorship Verification. - Andric Valdez-Valenzuela; Helena Gómez-Adorno (CLEF (Working Notes), 2024)

The iimasNLP team at IberAuTexTification 2024: Integrating Graph Neural Networks, Multilingual LLMs, and Stylometry for Automatic Text Identification. - Andric Valdez-Valenzuela; Ricardo Loth Zavala-Reyes; Victor Giovanni Morales Murillo; Helena Gómez-Adorno (IberLEF@SEPLN, 2024)

text2graphAPI: A library to transform text documents into different graph representations. - Andric Valdez-Valenzuela; Helena Gómez-Adorno (SoftwareX, 2024)

Text Graph Neural Networks for Detecting AI-Generated Content. - Andric Valdez-Valenzuela; Helena Gómez-Adorno; Manuel Montes-y-Gómez (COLING Workshops, 2025)