• Knowledge Representation and Reasoning
• Logic Programming
• Nonmonotoning Reasoning
• Recursive aggregation of data
• Optimization problems
• Algorithms for efficient query answering
• Preferences
  ...
• and others that I will not list here!

Chair

• Program Chair of AIIA 2019, 18th International Conference of the Italian Association for Artificial Intelligence
• Program Chair of Datalog 2.0 2019, 3rd International Workshop on the Resurgence of Datalog in Academia and Industry
• Workshops Chair of LPNMR 2019, 15th International Conference on Logic Programming and Nonmonotonic Reasoning

Program Committees

• AAAI, AAAI Conference on Artificial Intelligence, 2017, 2018, 2019
• IJCAI, International Joint Conference on Artificial Intelligence, 2011, 2015, 2016, 2017, 2018
• KR, International Conference on Principles of Knowledge Representation and Reasoning, 2018
• ICLP, International Conference on Logic Programming, 2017, 2018, 2019
• JELIA, European Conference on Logics in Artificial Intelligence, 2019
• RuleML, International Joint Conference on Rules and Reasoning, 2015, 2017
• PADL, International Symposium on Practical Aspects of Declarative Languages, 2016, 2019
• LNMR, International Workshop on Learning and Nonmonotonic Reasoning, 2015
• RCRA, Experimental evaluation of algorithms for solving problems with combinatorial explosion, 2014, 2015, 2016, 2017
• PoS, Pragmatics of SAT, 2018
• CILC, Italian Conference on Computational Logic, 2018
• SAFA, International Workshop on Systems and Algorithms for Formal Argumentation, 2018
• EPIA, EPIA Conference on Artificial Intelligence, 2019
• ASPOCP, Workshop on Answer Set Programming and Other Computing Paradigms, 2019

Organization Committees

• ASP Competition 2011, 3-th Answer Set Programming Competition
• CILC 2010, 25-esimo Convegno Italiano di Logica Computazionale