Elizabeth Fernandes

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This work defines a security scheme, based on SPKI/SDSI chains of trust, for protecting mobile agent platforms in large-scale distributed systems. The scheme is composed by a protocol of mutual au-thentication, a mobile agent authenticator and a mechanism for the generation of protection domain. Due to the flexibility of the SPKI/SDSI certificate delegation(More)
The present chapter provides a brief explanation on some aspects involved in the development of models and mathematical-modelling simulations, to show their benefits to the decision-making process in the environmental impact assessment of agriculture. Aspects concerning the agroecosys-tems were also presented toward the sustainability of Brazilian(More)
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