Current position

March 2024–present — Associate Professor of Computer Science
University of Cagliari, Cagliari, Italy

I teach Algorithms and Data Structures and Information Retrieval. My research focuses on trustworthy ranking and recommender systems, particularly fairness, explainability, and user and group modeling.

Previous positions

December 2023–February 2024 — Senior Research Fellow (Visiting)
Departament de Matemàtiques i Informàtica, Universitat de Barcelona, and Institute of Mathematics (IMUB), Barcelona, Spain

I held a competitive senior research fellowship to conduct research in mathematics and computer science.

March 2021–February 2024 — Tenure-Track Assistant Professor
University of Cagliari, Cagliari, Italy

I conducted research on ranking and recommender systems for individual users and groups, with a particular focus on algorithmic bias and fairness.

May 2016–April 2021 — Research Scientist, later Senior Research Scientist and Research Director
Eurecat, Data Science and Big Data Analytics unit, Barcelona, Spain

I led the scientific activity of an 18-person unit. The unit participated in more than 15 Horizon 2020 projects, and I led the execution of four of them. My research focused on recommender systems, user and group modeling, algorithmic bias, and fairness.

March 2012–May 2016 — Postdoctoral Researcher
University of Cagliari, Cagliari, Italy

I conducted research on recommender systems, clustering, classification, and social-media analysis. I also contributed to university teaching and supervised bachelor’s, master’s, and doctoral work.

March 2014–September 2014 — Visiting Postdoctoral Researcher
Yahoo! Research, Barcelona Lab, Barcelona, Spain

I worked on mining cliques and pseudo-cliques in time-evolving networks under the supervision of Francesco Bonchi.

June 2010–September 2010 — Intern
Yahoo! Research, Barcelona Lab, Barcelona, Spain

I worked on detecting market segments from query logs under the supervision of Carlos Castillo and Ingmar Weber.