Displaying similar documents to “Designing an E-Mail Prototype to Enhance Effective Communication and Task Management: A Case Study”

Refinement of UML collaborations

Bogumila Hnatkowska, Zbigniew Huzar, Lech Tuzinkiewicz (2006)

International Journal of Applied Mathematics and Computer Science

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The paper concerns the concept of refinement as a commonly used design practice in the software development process. The refinement relationship is formulated and formally expressed for UML collaborations. Collaborations are suitable for presenting the proposed approach as they represent both static and dynamic aspects of a modeled system or its part, for example, a use case. Our approach to refinement is based on the rule of preserving the observable behavior of a modeled system. The...

The communication hierarchy of time and space bounded parallel machines

Norbert Popély (2003)

RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications

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We describe the communicating alternating machines and their simulation. We show that, in the case of communicating alternating machines which are bounded, simultaneously, by polynomial time and logarithmic space, the use of three communication levels instead of two does not increase computational power of communicating alternating machines. This resolves an open problem [2] concerning the exact position of machines with three communication levels in the hierarchy.

Grid and Simulation of Digital Communication Systems

Manev, Nikolai (2010)

Serdica Journal of Computing

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The purpose of this paper is to turn researchers' attention to the use of grid computing for simulating digital communications and its large potential for decreasing significantly the duration of the experiments and for improving the statistical representativeness and reliability of the obtained results. * This work is partly supported by the National Science Fund of Bulgaria under Grant No. D002-146/16.12.2008.