Scientific output 2021-2022


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In the first year as Civic AI Lab, one of the domains we focused was impactful scientific output. In this blog we provide a brief view of our publications.


Journal Articles:


The complexity of human cooperation under indirect reciprocity

Santos, F. P., Pacheco, J. M., & Santos, F. C. (2021). The complexity of human cooperation under indirect reciprocity. Philosophical Transactions of the Royal Society B, 376(1838), 20200291.


Eliciting Fairness in N-Player Network Games through Degree-Based Role Assignment

Teixeira, A. S., Santos, F. C., Francisco, A. P., & Santos, F. P. (2021). Eliciting Fairness in N-Player Network Games through Degree-Based Role Assignment. Complexity, 2021.


Analysing Differentiable Fuzzy Logic Operators

van Krieken, E., Acar, E., & van Harmelen, F. (2022). Analyzing differentiable fuzzy logic operators. Artificial Intelligence, 302, 103602.


Biased perceptions explain collective action deadlocks and suggest new mechanisms to prompt cooperation

Santos, F. P., Levin, S. A., & Vasconcelos, V. V. (2021). Biased perceptions explain collective action deadlocks and suggest new mechanisms to prompt cooperation. Iscience, 24(4), 102375.


Link recommendation algorithms and dynamics of polarization in online social networks

Santos, F. P., Lelkes, Y., Levin, A. (2021). Link recommendation algorithms and dynamics of polarization in online social networks. PNAS, 2021 118 (50) e2102141118



Book chapter:


Empathy and Prosociality in Social Agents from the The Handbook on Socially Interactive Agents

BOOKS, A. (2021). The Handbook on Socially Interactive Agents. INTERACTIONS, 28.


Evolutionary games in cities and urban planning from the Handbook on Cities and Complexity

Portugali, J. (Ed.). (2021). Handbook on Cities and Complexity. Edward Elgar Publishing.



Conference Abstract:


Social Network Interventions to Prevent Reciprocity-driven Polarization for the AAMAS 2021

Santos, F. P., Santos, F. C., Pacheco, J. M., & Levin, S. A. (2021, May). Social Network Interventions to Prevent Reciprocity-driven Polarization. In Proceedings of the 20th International Conference on Autonomous Agents and MultiAgent Systems (pp. 1643-1645).



Conference Article


Computability of Diagrammatic Theories for Normative Positions for the JURIX 2021: International Conference on Legal Information and Knowledge Systems

Pascucci, M., & Sileno, G. Computability of diagrammatic theories for normative positions.


FACTS-IR: fairness, accountability, confidentiality, transparency, and safety in information retrieval

for the ACM SIGIR Forum

Olteanu, A., Garcia-Gathright, J., de Rijke, M., Ekstrand, M. D., Roegiest, A., Lipani, A., ... & Kamishima, T. (2021, March). FACTS-IR: fairness, accountability, confidentiality, transparency, and safety in information retrieval. In ACM SIGIR Forum (Vol. 53, No. 2, pp. 20-43). New York, NY, USA: ACM.


Cooperation between Independent Reinforcement Learners under Wealth Inequality and Collective Risks for the AAMAS 2021

Merhej, R., Santos, F. P., Melo, F. S., & Santos, F. C. (2021, May). Cooperation between Independent Reinforcement Learners under Wealth Inequality and Collective Risks. In Proceedings of the 20th International Conference on Autonomous Agents and MultiAgent Systems (pp. 898-906).