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The increase in the demand for computing resources with scalable infrastructure and easily managed has stimulated the emergence of IaaS - Infrastructure-as-a-Service - providers in public clouds, as well as the creation of open source IaaS solutions for institutions that prefer to implant their own private cloud. Aiming at expanding the cost-benefit, it is often necessary to integrate public and private...
Spatial data mining techniques enable the knowledge extraction from spatial databases. However, the high computational cost and the complexity of algorithms are some of the main problems in this area. This work proposes a new algorithm referred to as VDBSCAN+, which derived from the algorithm VDBSCAN (Varied Density Based Spatial Clustering of Applications with Noise) and focuses on the use of parallelism...
Background Once multi-relational approach has emerged as an alternative for analyzing structured data such as relational databases, since they allow applying data mining in multiple tables directly, thus avoiding expensive joining operations and semantic losses, this work proposes an algorithm with multi-relational approach. Methods Aiming to compare traditional approach performance and multi-relational...
A significant set of information stored in different databases around the world, can be shared through peer-to-peer databases. With that, is obtained a large base of knowledge, without the need for large investments because they are used existing databases, as well as the infrastructure in place. However, the structural characteristics of peer-to-peer, makes complex the process of finding such information...
In a peer-to-peer network, the nodes interact with each other by sharing resources, services and information. Many applications have been developed using such networks, being a class of such applications are peer-to-peer databases. The peer-to-peer databases systems allow the sharing of unstructured data, being able to integrate data from several sources, without the need of large investments, because...
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