Pedro Alípio

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Most of the network service specifications are implemented using relational databases or XML schemas. However, those specifications are not flexible and expressive enough to be extended with new service classes, different corporate policies, network configurations and deployment strategies; thus, most of the QoS management operations are implemented as(More)
A three-year study was undertaken to investigate the fungal species present on the surface of grape berries from Portuguese vineyards in four winemaking regions. Emphasis was given to Aspergillus and Penicillium species due to their relevance for mycotoxin production. From the 3517 fungal strains detected 27 genera were identified. The region of origin(More)
Internet service providers usually express the quality of network services through a set of values determined according to several network performance parameters periodically collected or measured. However, for common end-users, these values do not give an overall idea of the quality of the network services as they stand for different units and evaluate(More)
Self-Management of multiservice network domains must include automatic detection of service quality violations in order to perform appropriate and timely responses, fostering the fulfillment of the service agreements committed with customers, or other ISPs. As knowledge based systems are capable of emulating human knowledge, they are presented here as(More)
Most of the network service management systems rely on informal specifications, hard-coded programming and relational databases to store and manage network services. As a result, such systems may not be correct facing their requirements and they may not be flexible enough to perform network service management efficiently. This paper presents ongoing work(More)
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