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A Study on Medical Information Systems and Public Private Cloud Computing
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Analysis of the Cloud and Non Cloud Computing on Financial Data at Japanese Enterprises
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¬è¡šããæ䟡蚌åžå ±åæžããïŒç·è³ç£ïŒçŽè³ç£ïŒè³æ¬éïŒå©çå°äœéïŒåœæçŽå©çïŒæžäŸ¡ååŽè²»ïŒæ圢ããã³ç¡åœ¢åºå®è³ç£ã®ååŸã«ããæ¯åºã䜿çšããïŒäŒæ¥ã®ã¯ã©ãŠãã³ã³ãã¥ãŒãã£ã³ã°å°å
¥ç¶æ³ã®èª¿æ»ã¯2012幎ãš2013幎ã«è¡ã£ããã®ã§ããïŒåæã®çµæïŒæ¥æ¬äŒæ¥ã¯åœæçŽå©çãæžãããŠãã©ã€ããŒãã»ã¯ã©ãŠãåãä¿é²ããŠããããšãå€æããïŒThe object of this paper is to analyze the financial reports of Japanese enterprises which have Cloud Computing system. Cloud Computing is a computer architecture based on broadband access service. The users of the Cloud Computing service recognize their computer processing as a network service. The providers of Cloud Computing service, on the other hand, establish a largeâscale data center, construct a service system for software and collect data through the Internet. This Computing is classified as public or private Cloud Computing. Public Cloud Computing is open to any computerâusing company that pays a service charge to the providers. On the contrary, private Cloud Computing is used by members at companies that have constructed a Cloud Computing system over a restricted company information infrastructure. Some companies use public and private cloud computing simultaneously, which is called Hybrid Cloud Computing. We conducted mail surveys to all listed companies on the Tokyo Stock Exchange in 2012 and 2013 and created panel data of 97 companies concerning Cloud Computing. Second, we collected the financial information of these 97 companies disclosed in their annual reports. We found that Japanese companies have a negative relationship between their net profit and the rate of Cloud Computing
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