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Secure grid-based computing with social-network based trust management in the semantic web

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    0083034 - ÚI 2007 RIV CZ eng J - Journal Article
    Špánek, Roman - Tůma, Miroslav
    Secure grid-based computing with social-network based trust management in the semantic web.
    [Řešení otázek bezpečnosti a důvěry v sémantickém webu s využitím sociálních sítí.]
    Neural Network World. Roč. 16, č. 6 (2006), s. 475-488. ISSN 1210-0552
    R&D Projects: GA AV ČR 1ET100300419; GA MŠMT 1M0554
    Institutional research plan: CEZ:AV0Z10300504
    Keywords : semantic web * grid computing * trust management * reconfigurable networks * security * hypergraph model * hypergraph algorithms
    Subject RIV: IN - Informatics, Computer Science

    The paper describes a new approach for treatment security issues in reconfigurable grids used for computing or communication, in particular, in the semantic web environment. The proposed strategy combines a convenient mathematical model, efficient combinatorial algorithms which are robust with respect to changes in the grid structure, and an efficient implementation. The mathematical model uses properties of weighted hypergraphs. Model flexibility enables to describe basic security relations between the nodes such that these relations are preserved under frequent changes in connections of the hypergraph nodes. The paper concentrates on explaining the model and the algorithms for the chosen application. The consistency of the proposed ideas for security management in the changing grid was verified in a couple of tests with our pilot implementation SECGRID.

    Článek představuje nové možnosti pro řešení bezpečnosti a důvěry mezi uživateli nejen v prostředí sémantického webu. Navržená postupy kombinují matematický model hypergrafů s efektivními algoritmy pro udržování bezpečnosti v dynamickém prostředí s velkým počtem změn ve struktuře vztahů mezi uživateli. Konzistence navrženého řešení je doložena pomocí experimentální implementace SECGRID.
    Permanent Link: http://hdl.handle.net/11104/0004059

     
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