3 resultados para Computer operating systems

em Repository Napier


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Strategic frameworks seeking to explain how an organisation may generate superior performance are numerous. Earlier approaches centred on the competitive position of an organisation within its industry, with subsequent attention focused on an organisation's core competences. More recently, research has concentrated on knowledge and organisational learning. By reference to a study of airline-developed computer reservation systems (CRSs), this article explores the strategic importance of information in creating knowledge to generate superior performance. By examining developments in the use, management and control of information derived from CRSs, evidence is presented to explain how CRS-owning airlines have circumvented regulatory controls and increasingly competition to sustain competitive advantage through the development of their information and knowledge systems. This research demonstrates the need for organisations to develop 'knowledge facilitators' that foster the creation of new knowledge. Equally, managers must develop 'knowledge inhibitors' that help to sustain competitive advantage by limiting the abilities of competitors to create knowledge themselves.

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Nowadays there is almost no crime committed without a trace of digital evidence, and since the advanced functionality of mobile devices today can be exploited to assist in crime, the need for mobile forensics is imperative. Many of the mobile applications available today, including internet browsers, will request the user’s permission to access their current location when in use. This geolocation data is subsequently stored and managed by that application's underlying database files. If recovered from a device during a forensic investigation, such GPS evidence and track points could hold major evidentiary value for a case. The aim of this paper is to examine and compare to what extent geolocation data is available from the iOS and Android operating systems. We focus particularly on geolocation data recovered from internet browsing applications, comparing the native Safari and Browser apps with Google Chrome, downloaded on to both platforms. All browsers were used over a period of several days at various locations to generate comparable test data for analysis. Results show considerable differences not only in the storage locations and formats, but also in the amount of geolocation data stored by different browsers and on different operating systems.

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For over 20 years, computer reservation systems (CRSs) have been cited as a source of competitive advantage for the airlines that developed them. This paper reviews the developments that have given rise to such advantage, emphasising the use of CRS-generated information as a competitive tool within the airline industry. New evidence is presented suggesting that the control, dissemination and manipulation of CRS data by owning airlines continued to allow them to capitalise on their investment at the expense of competitors during the 1990s.