Fernando Lins

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The use of business process standards to model and execute business needs is growing rapidly. In addition, Service-oriented Computing has been adopted to realize business processes, which basically consists of executing the process activities using services available in the Internet. In this context, the importance of security is apparent, because sensitive(More)
The adoption of business processes to design business activities is becoming a reality to a significant number of companies. In addition, the Service-Oriented Architecture (SOA) is being used in diverse situations for the execution of business processes using computational resources. In this context, the need of business process automation appears with high(More)
Cloud computing has been established as a remarkable business model that allows the outsourcing of processing, memory, storage, and networking provided by cloud infrastructures. Cloud applications require computing resources being promptly available to serve the on-demand load. If resources are not available to meet user requests, service dependability and(More)
Cloud computing is a model that allows resources to be offered as services over the Internet. Due to dynamic and virtualized nature of cloud environments and diversity of client requests, providing the expected service quality while avoiding over-provisioning is not a simple task. To ensure that the provisioned service is acceptable, providers must exploit(More)
In this work, we discuss appropriate formalisms to account for the representation of mathematical ontologies, and, particularly, the problems for employing Description Logics (DL) for the task.DL has proven to be not expressive enough to such tasks, because it cannot represent, for instance, simple numerical constraints, except of cardinality constraints(More)
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