First-Order Logic Formalisation of Arrow's Theorem. - Umberto Grandi; Ulle Endriss (LORI, 2009)

Lifting Rationality Assumptions in Binary Aggregation. - Umberto Grandi; Ulle Endriss (AAAI, 2010)

Complexity of judgment aggregation: safety of the agenda. - Ulle Endriss; Umberto Grandi; Daniele Porello (AAMAS, 2010)

Aggregating Dependency Graphs into Voting Agendas in Multi-Issue Elections. - Stéphane Airiau; Ulle Endriss; Umberto Grandi; Daniele Porello; Joel Uckelman (IJCAI, 2011)

Combinatorial Aggregation. - Umberto Grandi (IJCAI, 2011)

Binary Aggregation with Integrity Constraints. - Umberto Grandi; Ulle Endriss (IJCAI, 2011)

Complexity of Judgment Aggregation. - Ulle Endriss; Umberto Grandi; Daniele Porello (J. Artif. Intell. Res., 2012)

Restricted Manipulation in Iterative Voting: Condorcet Efficiency and Borda Score. - Umberto Grandi; Andrea Loreggia; Francesca Rossi 001; Kristen Brent Venable; Toby Walsh (ADT, 2013)

Lifting integrity constraints in binary aggregation. - Umberto Grandi; Ulle Endriss (Artif. Intell., 2013)

Restricted Manipulation in Iterative Voting: Convergence and Condorcet Efficiency - Umberto Grandi; Andrea Loreggia; Francesca Rossi 001; Kristen Brent Venable; Toby Walsh (SR, 2013)

First-Order Logic Formalisation of Impossibility Theorems in Preference Aggregation. - Umberto Grandi; Ulle Endriss (J. Philos. Log., 2013)

Binary Aggregation by Selection of the Most Representative Voters. - Ulle Endriss; Umberto Grandi (AAAI, 2014)

Aggregating CP-nets with Unfeasible Outcomes. - Umberto Grandi; Hang Luo 001; Nicolas Maudet; Francesca Rossi 001 (CP, 2014)

Collective Rationality in Graph Aggregation. - Ulle Endriss; Umberto Grandi (ECAI, 2014)

From Sentiment Analysis to Preference Aggregation. - Umberto Grandi; Andrea Loreggia; Francesca Rossi 001; Vijay A. Saraswat (ISAIM, 2014)

The Common Structure of Paradoxes in Aggregation Theory. - Umberto Grandi (CoRR, 2014)

Pre-vote negotiations and binary voting with constraints. - Umberto Grandi; Davide Grossi; Paolo Turrini (CoRR, 2014)

Reasoning with PCP-nets in a Multi-Agent Context. - Cristina Cornelio; Umberto Grandi; Judy Goldsmith; Nicholas Mattei; Francesca Rossi 001; Kristen Brent Venable (AAMAS, 2015)

Propositional Opinion Diffusion. - Umberto Grandi; Emiliano Lorini; Laurent Perrussel (AAMAS, 2015)

Gibbard-Satterthwaite Games. - Edith Elkind; Umberto Grandi; Francesca Rossi 001; Arkadii Slinko (IJCAI, 2015)

Equilibrium Refinement through Negotiation in Binary Voting. - Umberto Grandi; Davide Grossi; Paolo Turrini (IJCAI, 2015)

Strategic Disclosure of Opinions on a Social Network: (Extended Abstract). - Umberto Grandi; Emiliano Lorini; Laurent Perrussel (AAMAS, 2016)

Pairwise Diffusion of Preference Rankings in Social Networks. - Markus Brill; Edith Elkind; Ulle Endriss; Umberto Grandi (IJCAI, 2016)

A Network-Based Rating System and Its Resistance to Bribery. - Umberto Grandi; Paolo Turrini (IJCAI, 2016)

Succinctness of Languages for Judgment Aggregation. - Ulle Endriss; Umberto Grandi; Ronald de Haan; Jérôme Lang (KR, 2016)

A Borda count for collective sentiment analysis. - Umberto Grandi; Andrea Loreggia; Francesca Rossi 001; Vijay A. Saraswat (Ann. Math. Artif. Intell., 2016)

Strategic disclosure of opinions on a social network. - Umberto Grandi; Emiliano Lorini; Laurent Perrussel (CoRR, 2016)

Learning Agents for Iterative Voting. - Stéphane Airiau; Umberto Grandi; Filipo Studzinski Perotto (ADT, 2017)

Strategic Disclosure of Opinions on a Social Network. - Umberto Grandi; Emiliano Lorini; Arianna Novaro; Laurent Perrussel (AAMAS, 2017)

Graph aggregation. - Ulle Endriss; Umberto Grandi (Artif. Intell., 2017)

Relaxing Exclusive Control in Boolean Games. - Francesco Belardinelli; Umberto Grandi; Andreas Herzig; Dominique Longin; Emiliano Lorini; Arianna Novaro; Laurent Perrussel (TARK, 2017)

Cognitive Hierarchy and Voting Manipulation. - Edith Elkind; Umberto Grandi; Francesca Rossi 001; Arkadii Slinko (CoRR, 2017)

The Complexity of Bribery in Network-Based Rating Systems. - Umberto Grandi; James Stewart; Paolo Turrini (AAAI, 2018)

From Individual Goals to Collective Decisions. - Arianna Novaro; Umberto Grandi; Dominique Longin; Emiliano Lorini (AAMAS, 2018)

Preventing Manipulation in Aggregating Audiences in Value-Based Argumentation Frameworks. - Grzegorz Lisowski; Sylvie Doutre; Umberto Grandi (SAFA@COMMA, 2018)

Goal-Based Collective Decisions: Axiomatics and Computational Complexity. - Arianna Novaro; Umberto Grandi; Dominique Longin; Emiliano Lorini (IJCAI, 2018)

Preference Aggregation with Incomplete CP-Nets. - Adrian Haret; Arianna Novaro; Umberto Grandi (KR, 2018)

Database Aggregation. - Francesco Belardinelli; Umberto Grandi (CoRR, 2018)

Agent-Mediated Social Choice. - Umberto Grandi (CoRR, 2018)

Judgment aggregation in dynamic logic of propositional assignments. - Arianna Novaro; Umberto Grandi; Andreas Herzig (J. Log. Comput., 2018)

A Social Choice Theoretic Perspective on Database Aggregation. - Francesco Belardinelli; Umberto Grandi (AAMAS, 2019)

Multi-Issue Opinion Diffusion under Constraints. - Sirin Botan; Umberto Grandi; Laurent Perrussel (AAMAS, 2019)

Strategic Majoritarian Voting with Propositional Goals. - Arianna Novaro; Umberto Grandi; Dominique Longin; Emiliano Lorini (AAMAS, 2019)

Aggregation in Value-Based Argumentation Frameworks. - Grzegorz Lisowski; Sylvie Doutre; Umberto Grandi (TARK, 2019)

Social Choice Methods for Database Aggregation. - Francesco Belardinelli; Umberto Grandi (TARK, 2019)

Application-Oriented Computational Social Choice (Dagstuhl Seminar 19381). - Umberto Grandi; Stefan Napel; Rolf Niedermeier; Kristen Brent Venable (Dagstuhl Reports, 2019)

Negotiable Votes. - Umberto Grandi; Davide Grossi; Paolo Turrini (J. Artif. Intell. Res., 2019)

Gibbard-Satterthwaite games for k-approval voting rules. - Umberto Grandi; Daniel Hughes 003; Francesca Rossi 001; Arkadii Slinko (Math. Soc. Sci., 2019)

Smart Voting. - Rachael Colley; Umberto Grandi; Arianna Novaro (IJCAI, 2020)

Personalised rating. - Umberto Grandi; James Stewart; Paolo Turrini (Auton. Agents Multi Agent Syst., 2020)

Cognitive hierarchy and voting manipulation in k-approval voting. - Edith Elkind; Umberto Grandi; Francesca Rossi 001; Arkadii Slinko (Math. Soc. Sci., 2020)

Interactive, Strategic, and Expressive Social Choice. - Umberto Grandi (2021)

Collective discrete optimisation as judgment aggregation. - Linus Boes; Rachael Colley; Umberto Grandi; Jérôme Lang; Arianna Novaro (CoRR, 2021)

Reasoning with PCP-Nets. - Cristina Cornelio; Judy Goldsmith; Umberto Grandi; Nicholas Mattei; Francesca Rossi 001; Kristen Brent Venable (J. Artif. Intell. Res., 2021)

Games of influence. - Umberto Grandi; Emiliano Lorini; Arianna Novaro; Laurent Perrussel (J. Log. Comput., 2021)

Logic-Based Ethical Planning. - Umberto Grandi; Emiliano Lorini; Timothy Parker; Rachid Alami 001 (AI*IA, 2022)

The Spread of Opinions via Boolean Networks. - Rachael Colley; Umberto Grandi (EUMAS, 2022)

Itero: An Online Iterative Voting Application. - Joseph Boudou; Rachael Colley; Umberto Grandi (IJCAI, 2022)

Preserving Consistency in Multi-Issue Liquid Democracy. - Rachael Colley; Umberto Grandi (IJCAI, 2022)

Interaction and Expressivity in Collective Decision-Making. - Umberto Grandi (IJCAI, 2022)

Logic-Based Ethical Planning (short paper). - Umberto Grandi; Emiliano Lorini; Timothy Parker; Rachid Alami 001 (CAKR@IJCAI, 2022)

Ethical Planning with Multiple Temporal Values. - Timothy Parker; Umberto Grandi; Emiliano Lorini; Aurélie Clodic; Rachid Alami 001 (Robophilosophy, 2022)

Unravelling multi-agent ranked delegations. - Rachael Colley; Umberto Grandi; Arianna Novaro (Auton. Agents Multi Agent Syst., 2022)

On the Complexity of Majority Illusion in Social Networks. - Umberto Grandi; Grzegorz Lisowski; M. S. Ramanujan 001; Paolo Turrini (CoRR, 2022)

Understanding Political Agreements and Disagreements: Evidence from the 2022 French Presidential Election. - Carlos Navarrete; Nicole Ferrada; Mariana Macedo; Rachael Colley; Jingling Zhang; Umberto Grandi; Jérôme Lang; César A. Hidalgo 001 (CoRR, 2022)

Identifying and Eliminating Majority Illusion in Social Networks. - Umberto Grandi; Lawqueen Kanesh; Grzegorz Lisowski; Ramanujan Sridharan; Paolo Turrini (AAAI, 2023)

Fair Rent Division on a Budget Revisited. - Stéphane Airiau; Hugo Gilbert; Umberto Grandi; Jérôme Lang; Anaëlle Wilczynski (ECAI, 2023)

Anticipating Responsibility in Multiagent Planning. - Timothy Parker; Umberto Grandi; Emiliano Lorini (ECAI, 2023)

Measuring and Controlling Divisiveness in Rank Aggregation. - Rachael Colley; Umberto Grandi; César A. Hidalgo 001; Mariana Macedo; Carlos Navarrete (IJCAI, 2023)

Moral Planning Agents with LTL Values. - Umberto Grandi; Emiliano Lorini; Timothy Parker (IJCAI, 2023)

Revisiter l'équité pour le partage de loyer avec budgets. - Stéphane Airiau; Hugo Gilbert; Umberto Grandi; Jérôme Lang; Anaëlle Wilczynski (JIAF, 2023)

How to combine models? Principles and mechanisms to aggregate fuzzy cognitive maps. - Ryan Schuerkamp; Philippe J. Giabbanelli; Umberto Grandi; Sylvie Doutre (WSC, 2023)

Abductive and Contrastive Explanations for Scoring Rules in Voting. - Clément Contet; Umberto Grandi; Jérôme Mengin (ECAI, 2024)

Responsibility in a Multi-value Strategic Setting. - Timothy Parker; Umberto Grandi; Emiliano Lorini (EUMAS, 2024)

Enabling the Digital Democratic Revival: A Research Program for Digital Democracy. - Davide Grossi; Ulrike Hahn; Michael Mäs; Andreas Nitsche; Jan Behrens; Niclas Boehmer; Markus Brill; Ulle Endriss; Umberto Grandi; Adrian Haret; Jobst Heitzig; Nicolien Janssens; et al. (CoRR, 2024)

Large Language Models (LLMs) as Agents for Augmented Democracy. - Jairo Gudiño-Rosero; Umberto Grandi; César A. Hidalgo 001 (CoRR, 2024)

Proportionality for Constrained Public Decisions. - Julian Chingoma; Umberto Grandi; Arianna Novaro (CoRR, 2024)

Voting behavior in one-shot and iterative multiple referenda. - Umberto Grandi; Jérôme Lang; Ali Ihsan Ozkes; Stéphane Airiau (Soc. Choice Welf., 2024)

Collective combinatorial optimisation as judgment aggregation. - Linus Boes; Rachael Colley; Umberto Grandi; Jérôme Lang; Arianna Novaro (Ann. Math. Artif. Intell., 2024)

A Complexity-Theoretic Analysis of Majority Illusion in Social Networks. - Umberto Grandi; Lawqueen Kanesh; Grzegorz Lisowski; M. S. Ramanujan 001; Paolo Turrini (J. Artif. Intell. Res., 2025)

Prompt Injection Vulnerability of Consensus Generating Applications in Digital Democracy. - Jairo Gudiño-Rosero; Clément Contet; Umberto Grandi; César A. Hidalgo 001 (CoRR, 2025)

Leveraging LLMs for Privacy-Aware Predictions in Participatory Budgeting. - Juan Zambrano; Clément Contet; Jairo Gudiño-Rosero; Felipe Garrido-Lucero; Umberto Grandi; César A. Hidalgo 001 (CoRR, 2025)