| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2010: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2009: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Research Abstract |
During the late 1990's, many Japanese firms replaced their legacy and traditional enterprise information systems with ERP (Enterprise Resource Planning) systems. These systems cannot continue in use without maintenance. This study investigated the actual occurrence frequency of maintenance tasks classified into 6 categories during each month in five years (60 months) of ERP operation after go-live in three case studies of Japanese manufacturing firms. Through this investigation, this study identified clear the maintenance trends common to three firms, based on the maintenance occurrence frequencies in each firm.
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