Global Communication Is the Vehicle for Language Expansion

At the present time the smart technology enhanced to be utilized for the human life in many elds, especially in the houses. The building automation experienced a rapid growth in techniques and methods to provide an advanced management for operational advantages in buildings and develop the equipment in the houses to the consumption of energy and operation. When the KNX system has been developed to be the most important building automation, the ethernet system has evolved to be global communication system and use it as automation system. Among the various technological developments is IoT, which is the essential development the future achievement via the internet techniques, Meanwhile the different available communication mediums of KNX and the need of utilizing IP network in compiling extensive areas of KNX has led us to conduct this comparison.

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An Efficient Parallel Algorithm for Extreme Eigenvalues of Sparse Nonsymmetric Matrices

The International Journal of Supercomputing Applications ◽

10.1177/109434209200600106 ◽

1992 ◽

Vol 6 (1) ◽

pp. 98-111 ◽

Cited By ~ 2

Author(s):

S. K. Kim ◽

A. T. Chrortopoulos

Keyword(s):

Shared Memory ◽

Message Passing ◽

Sparse Matrices ◽

Data Locality ◽

Main Memory ◽

Global Memory ◽

Global Communication ◽

Step Method ◽

Arnoldi Algorithm ◽

Large Sparse Matrices

Main memory accesses for shared-memory systems or global communications (synchronizations) in message passing systems decrease the computation speed. In this paper, the standard Arnoldi algorithm for approximating a small number of eigenvalues, with largest (or smallest) real parts for nonsymmetric large sparse matrices, is restructured so that only one synchronization point is required; that is, one global communication in a message passing distributed-memory machine or one global memory sweep in a shared-memory machine per each iteration is required. We also introduce an s-step Arnoldi method for finding a few eigenvalues of nonsymmetric large sparse matrices. This method generates reduction matrices that are similar to those generated by the standard method. One iteration of the s-step Arnoldi algorithm corresponds to s iterations of the standard Arnoldi algorithm. The s-step method has improved data locality, minimized global communication, and superior parallel properties. These algorithms are implemented on a 64-node NCUBE/7 Hypercube and a CRAY-2, and performance results are presented.

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The dematerialization of telecommunication: communication centres and peripheries in Europe and the world, 1850–1920

Journal of Global History ◽

10.1017/s174002280700232x ◽

2007 ◽

Vol 2 (3) ◽

pp. 345-372 ◽

Cited By ~ 10

Author(s):

Roland Wenzlhuemer

Keyword(s):

Telecommunication Network ◽

Local Development ◽

Global Communication ◽

Communication Structure ◽

Long Distance ◽

Interregional Trade ◽

Distance Information ◽

History Information ◽

And Migration ◽

Global Data

AbstractInterregional communication has been a key constituent of the process of globalization since its very origins. For most of its history, information has moved between world regions and along the routes according to the rationales established by interregional trade and migration. The dematerialization of telecommunication in the late eighteenth and nineteenth century eventually detached long-distance information transmission from transport and transformed the global communication structure. New communication centres (and new peripheries) emerged. Some regions moved closer to the global data stream than others. It is still unclear how such different degrees of global connectivity impacted on local development. This essay contributes to the identification and valuation of global communication centres and peripheries in order to provide suitable candidates for future case studies. To this end, statistical data on the development of domestic telegraph networks in selected countries has been analysed and interpreted. In a second step, Social Network Analysis methods have been employed to measure the centrality of almost three hundred cities and towns in the European telecommunication network of the early twentieth century.‘You cannot not communicate.’Paul Watzlawick

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