Semiring-based constraint satisfaction and optimization
Journal of the ACM (JACM)
Introductory Combinatorics
Semirings for Soft Constraint Solving and Programming (LECTURE NOTES IN COMPUTER SCIENCE)
Semirings for Soft Constraint Solving and Programming (LECTURE NOTES IN COMPUTER SCIENCE)
A survey of multi-agent organizational paradigms
The Knowledge Engineering Review
Handbook of Constraint Programming (Foundations of Artificial Intelligence)
Handbook of Constraint Programming (Foundations of Artificial Intelligence)
Modelling coalitions: ATL + argumentation
Proceedings of the 7th international joint conference on Autonomous agents and multiagent systems - Volume 2
Social Viewpoints for Arguing about Coalitions
PRIMA '08 Proceedings of the 11th Pacific Rim International Conference on Multi-Agents: Intelligent Agents and Multi-Agent Systems
Inconsistency tolerance in weighted argument systems
Proceedings of The 8th International Conference on Autonomous Agents and Multiagent Systems - Volume 2
IJCAI'95 Proceedings of the 14th international joint conference on Artificial intelligence - Volume 1
Task allocation via coalition formation among autonomous agents
IJCAI'95 Proceedings of the 14th international joint conference on Artificial intelligence - Volume 1
Coalition structure generation utilizing compact characteristic function representations
CP'09 Proceedings of the 15th international conference on Principles and practice of constraint programming
A Common Computational Framework for Semiring-based Argumentation Systems
Proceedings of the 2010 conference on ECAI 2010: 19th European Conference on Artificial Intelligence
An argumentation-based model for reasoning about coalition structures
ArgMAS'05 Proceedings of the Second international conference on Argumentation in Multi-Agent Systems
Modeling and solving AFs with a constraint-based tool: conarg
TAFA'11 Proceedings of the First international conference on Theory and Applications of Formal Argumentation
Abstract argumentation via monadic second order logic
SUM'12 Proceedings of the 6th international conference on Scalable Uncertainty Management
Complexity-sensitive decision procedures for abstract argumentation
Artificial Intelligence
Coalitions of Arguments: An Approach with Constraint Programming
Fundamenta Informaticae - Special Issue on the Italian Conference on Computational Logic: CILC 2011
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Forming coalition structures allows agents to join their forces with the aim to achieve a common task. We suggest it would be interesting to look for homogeneous groups which follow distinct lines of thought. For this reason, we extend the Dung Argumentation Framework in order to deal with coalitions of arguments. The initial set of arguments is partitioned into subsets (or coalitions). Each coalition represents a different line of thought, but all the found coalitions show the same property inherited by Dung, e.g. all the coalitions in the partition are admissible (or conflict-free, complete, stable). Some problems in weighted argumentation are NP complete; we use (soft) constraints as a formal approach to reason about coalitions and to model all these problems in the same framework. Semiring algebraic structures can be used to model different optimization criteria for the obtained coalitions. To implement this mapping and practically find its solutions we use JaCoP, a Java constraint solver, and we test the code over a small-world network.