Publications

Blocking Underhand Attacks by Hidden Coalitions  (2011)

Authors:
Cristani, Matteo; Karafili, Erisa; Vigano', Luca
Title:
Blocking Underhand Attacks by Hidden Coalitions
Year:
2011
Type of item:
Contributo in atti di convegno
Tipologia ANVUR:
Contributo in Atti di convegno
Language:
Inglese
Format:
Elettronico
Congresso:
3rd International Conference on Agents and Artificial Intelligence, ICAART 2011
Place:
Roma
Period:
Gennaio 28-30, 2011
Publisher:
SciTePress Digital Library
ISBN:
9789898425416
Page numbers:
311-320
Keyword:
Multi-agent systems; attack; coalitions
Short description of contents:
Similar to what happens between humans in the real world, in open multi-agent systems distributed over the Internet, such as online social networks or wiki technologies, agents often form coalitions by agreeing to act as a whole in order to achieve certain common goals. However, agent coalitions are not always a desirable feature of a system, as malicious or corrupt agents may collaborate in order to subvert or attack the system. In this paper, we consider the problem of hidden coalitions, whose existence and the purposes they aim to achieve are not known to the system, and which carry out so-called underhand attacks. We give a first approach to hidden coalitions by introducing a deterministic method that blocks the actions of potentially dangerous agents, i.e. possibly belonging to such coalitions. We also give a non-deterministic version of this method that blocks the smallest set of potentially dangerous agents. We calculate the computational cost of our two blocking methods, and prove their soundness and completeness.
Product ID:
63200
Handle IRIS:
11562/367607
Deposited On:
November 17, 2012
Last Modified:
November 12, 2019
Bibliographic citation:
Cristani, Matteo; Karafili, Erisa; Vigano', Luca, Blocking Underhand Attacks by Hidden Coalitions  in Proceedings of the 3rd International Conference on Agents and Artificial Intelligence, ICAART 2011SciTePress Digital LibraryProceedings of "3rd International Conference on Agents and Artificial Intelligence, ICAART 2011" , Roma , Gennaio 28-30, 2011 , 2011pp. 311-320

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