نتایج جستجو برای: requisite variety

تعداد نتایج: 276094  

2007
Gamel O. Wiredu

In this paper, I explain how globally-distributed software development subunits can coordinate their activities with information systems (IS). The basis of this explanation lies in the contemporary proliferation of global software development (GSD) activities which suggests an unexplained reality: that organizations practicing GSD are somehow regulating their IS to cope with increasing and vari...

2007
Gamel O. Wiredu

In this paper, I explain how globally distributed software development subunits can coordinate their activities with information systems (IS). The basis of this explanation lies in the contemporary proliferation of global software development (GSD) activities that suggests an unexplained reality: organizations practicing GSD are somehow regulating their IS to cope with increasing and varied unc...

2011
Jaroslav Kalina

This paper provides an explanation of the increasing complexity of corporate IT management as a special case of application of the law of requisite variety. Frequently cited drawback of established frameworks of IT best practices like COBIT and ITIL is their complexity and related difficulty in their implementation. Through the perspective of the law of requisite variety, drawn from the field o...

2010
F. K. Hussain

This paper reports research into the application of Ashby’s Law of Requisite Variety to assist with identifying optimal choices of design solutions at the pre-design stage of designing digital ecosystems. This study of the application of Ashby’s Law is a component of a larger research program investigating the application of classical systems analysis tools in pre-design optimisation processes ...

2007
Ross ASHBY

Recent work on the fundamental processes of regulation in biology (Ashby, 1956) has shown the importance of a certain quantitative relation called the law of requisite variety. After this relation had been found, we appreciated that it was related to a theorem in a world far removed from the biological—that of Shannon on the quantity of noise or error that could be removed through a correction-...

2007
Laurence B. Heilprin

Search for an integrated, comprehensive theory of information science (IS) has so far been unsuccessful. Appearance of a theory has been retarded by one central constraint, the large number of disciplines concerned with human comnication. Crossdisciplinary interdependence occurs in two ways: theoretical relation of IS phenomena to a given science, and practical relation of the science to IS dis...

1992
Francis HEYLIGHEN

A set of fundamental principles for the cybernetics domain is sketched, based on the spontaneous emergence of systems through variation and selection. The (mostly self-evident) principles are: selective retention, autocatalytic growth, asymmetric transitions, blind variation, recursive systems construction, selective variety, requisite knowledge and incomplete knowledge. Existing systems princi...

Journal: :The Lancet 1900

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