Szukana fraza: [Abstract = "Recently, researchers have been investigating the use of game theory for modeling user requirements regarding task and resource allocation in grid scheduling problems. In this paper we present two general non\-cooperative game approaches, namely, the \"symmetric non\-zero sum\" game and the \"asymmetric Stackelberg\" game for modeling grid user behavior defined as user requirements. In our game\-theoretic approaches we are able to cast new requirements arising in allocation problems, such as asymmetric users relations, security and reliability restrictions in CGs. For solving the games, we designed and implemented GA\-based hybrid schedulers for approximating the equilibrium points for both games."]

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