1. Higher-Order Interactions (Bipolar or not) in Abstract Argumentation: A State of the Art (Claudette Cayrol, Andrea Cohen, Marie-Christine Lagasquie-Schiex)
2. Joint Attacks and Accrual in Argumentation Frameworks (Antonis Bikakis, Andrea Cohen, Wolfgang Dvořák, Giorgos Flouris, Simon Parsons)
3. Preferences in Abstract Argumentation (Souhila Kaci, Leendert van der Torre, Srdjan Vesic, Serena Villata)
4. Collective Acceptability in Abstract Argumentation (Dorothea Baumeister, Daniel Neugebauer, Jörg Rothe)
8. Enforcement in Formal Argumentation (Ringo Baumann, Sylvie Doutre, Jean-Guy Mailly, Johannes P. Wallner)
9. Argumentation-based Dialogue (Elizabeth Black, Nicolas Maudet, Simon Parsons)
10. Strategic Argumentation (Guido Governatori, Michael J. Maher, Francesco Olivieri)
11. On the Incremental Computation of Semantics in Dynamic Argumentation (Gianvincenzo Alfano, Sergio Greco, Francesco Parisi, Gerardo I. Simari, Guillermo R. Simari)
Part 3: Meta Investigations
12. Logic-Based Approaches to Formal Argumentation (Ofer Arieli, AnneMarie Borg, Jesse Heyninck, Christian Straßer)
13. Empirical Cognitive Studies About Formal Argumentation (Federico Cerutti, Marcos Cramer, Mathieu Guillaume, Emmanuel Hadoux, Anthony Hunter, Sylwia Polberg)