Acantholybas steinbaueri, a brachypterous new species, is described and illustrated from Java (Bali Island and Dammerman). The genus Acantholybas is redescribed, and a key to the four known species is provided.

O objetuvo deste comunicado é apresentar a implementação Java da transformada discreta de Fourier e sua inversa, usando a biblioteca Java Advanced Imaging (JAI), para mapeamento entre os domínios espacial e de frequência em imagens digitais., 2006, Acesso em: 28…

Authentication techniques for a large-scale network are essential for the booming applications of e-commerce and e-business. In this thesis, authentication techniques for a larger-scale network are discussed. In-deep discussions on the independent path technique are presented. An authentication protocol based…

In the context of an object-oriented programming language such as Java, the ubiquitous use of instance fields and the presence of pointers (references to objects) make it difficult to understand a program's memory usage. Understanding memory usage is a key…

Tesis presentada a la Facultad de Contaduría y Administración de la Universidad Veracruzana, Región Xalapa.

Currently, the telecommunications management systems are powerful, however, maintain centralized and proprietary platforms, limiting this way, the growth of these telecommunications networks. This factor generates the need for scalable and open systems, stimulating the sectors of the telecommunications area to…

Se desarrollo el modulo de Gestión de proveedores y administración de contratos con el objetivo de poder cumplir necesidades tales como satisfacer el pedido de recursos para la elaboración de un determinado proyecto.
Esta operación conlleva acciones tales como:
Realizar…

Mobile agents are often described as a promising technology moving towards the vision of a widely distributed scalable electronic market. The deployment of electronic services, especially in the area of electronic commerce, raises essential questions closely related to security issues.…

Virtual method calls are a fundamental feature offered by Java, an object-oriented programming language. However, they are also a source of degradation of performance at run time and imprecision in interprocedural analyses. There are several well known, inexpensive analyses that…

In this article we present a performance comparison of four symmetric block ciphers namely DES, Triple-DES, AES, and Blowfish. Performance evaluation based on CPU execution time is conducted under WinXP and Ubuntu /Linux version 8.10 operating system platforms. The study…