Um estudo comparativo das estratégias utilizadas por trojans spywares e ransomwares sob uma perspectiva de análise experimental

Resumo: Os malwares têm causado uma série de prejuízos no mundo digital, uma vez que utilizam tecnologias capazes de aproveitar-se das vulnerabilidades de sistemas e de usuários para causar prejuízos com o comprometimento da confidencialidade, integridade ou disponibilidade dos dados, aplicativos ou sistema operacional da vítima. O presente trabalho propôs-se Leia mais…

Using cellular infrastructures data to foster the transition towards smart cities: systematic mapping

Abstract: Smartphones connected to the cellular network gen erate records about connection information (Call Details Record – CDR), creating considerable amounts of telecommunications data, which creates an opportunity to support city management, namely to foster the smart cities concept. This work performs the systematic mapping of research in this area Leia mais…

Image segmentation by hierarchical layered oriented image foresting transform subject to closeness constraints

Resumo: In this work, we address the problem of image segmentation, subject to high-level constraints expected for the objects of interest. More specifically, we define closeness constraints to be used in conjunction with geometric constraints of inclusion in the Hierarchical Layered Oriented Image Foresting Transform (HLOIFT) algorithm. The proposed method Leia mais…

Machine learning in ecommerce fraud detection: a systematic literature review and comparative analysis of advanced techniques

Abstract: In an era characterized by extensive credit use and rapidly advancing technology, mitigating fraud in online transactions is more critical than ever. This paper presents a systematic literature review (SLR) on applying Machine Learning Methods in fraud detection in online shopping.In addition, a comparative analysis of a more comprehensive Leia mais…

The design of new laboratory facility to evaluate axial and lateral pipe-soil interaction at real scale

Resumo: Soil-structure interaction parameters for subsea applications are not easily obtained by traditional laboratory experiments such as triaxial, oedometer and direct shear tests. A complete comprehension of topics such as displacements, reaction forces, bending moments and friction factors is commonly a result of investigations through geotechnical physical models. Although small-scale Leia mais…

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