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What is Redundancy

Handbook of Research on Disaster Management and Contingency Planning in Modern Libraries
The duplication of critical functions of a system with the intention of increasing reliability of the system in the form of a backup or fail safe system.
Published in Chapter:
Disaster Management and Continuity Planning in Libraries: Changes since the Year 2000
Rebecca Hamilton (State Library of Louisiana, USA) and Diane Brown (State Library of Louisiana, USA)
DOI: 10.4018/978-1-4666-8624-3.ch001
Abstract
Since the year 2000 libraries' concepts of disaster management, contingency planning and the role of libraries in a major disruptive event have changed dramatically. Libraries have gone from an emphasis on protecting and restoring collections and facilities to an emphasis on service continuity. Although broadband adoption nationwide remains disproportionate at best, the advent and widespread use of the Internet and e-government mean that libraries have become the centers of communication for their communities in a crisis. This chapter will demonstrate the essential role of libraries before, during and after a disaster, both short term and long term and how to get a seat at the table with community planners by demonstrating the functions that are critical to recovery. In order to fulfill this community role, a library first needs to be prepared with its own business continuity plan.
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Innovative Features and Applications Provided by a Large-Area Sensor Floor
The fact that instances of important data elements or physical objects exist multiple times such that the loss of one element does not impair the overall function.
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The Children’s Virtual Museum of Small Animals: From the Schoolyard to the Internet
The huge amount of information we have to go across, learning to select and order according to our needs..
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Information Availability
The ability of an organization to reconstruct an information element to its last state before disruption and having capabilities to connect to its information resources despite disruptions. The goal of redundancy is to minimize unavailability by utilizing redundant capabilities for restoring the capabilities of an organization’s systems.
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Effectively Communicating With Group Decision Support Systems Using Information Theory
Conveying the same information more than once in a message so the interpretation of the message is clear.
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Rules Verification and Validation
A rule base is redundant if it contains more rules than necessary; this means that some of the rules can be removed without changing the inferencing possibilities of the original rule base. This includes the cases of identical rules, subsumed rules, equivalent rules, unusable rules (ones never fired).
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Resilience, Redundancy, and Their Relationship to Business Longevity in the Spanish Food Industry
The ability of an organization to generate a range of complementary and substitutable resources and capabilities, so that they work both in a coordinated fashion and with the potential to replace each other if necessary.
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Description of Requirements to Safety Important I&C Systems
Application of additional tools and/or capabilities that are redundant to those that are minimally required for function performance.
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Multiple Intelligences
Some educators may think it is a good idea to present the same material with text and audio so that students can use different modes of learning. However, identical audio text and visual text can cause redundancy, a form of cognitive overload (Mayers, 2001 AU10: The in-text citation "Mayers, 2001" is not in the reference list. Please correct the citation, add the reference to the list, or delete the citation. ).
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Supply Chain Resilience
Referring to companies’ operations, it states the situation in which the available quantity of a resource is higher than the measure which is necessary to carry on operations in normal conditions. Redundancy can be considered as a method for resilience building, because it ensures the presence of available resources even during supply shortages, demand peaks, etc.
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Effectively Communicating With Group Decision Support Systems Using Information Theory
Conveying the same information more than once in a message so the interpretation of the message is clear.
Full Text Chapter Download: US $37.50 Add to Cart
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