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@ Celeste Ng Management Challenges in Enterprise Resource Planning (ERP) Post-Implementation Dr Celeste Ng, Ph.D. Celeste Ng, YZU; 15th Oct 2004.

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Presentation on theme: "@ Celeste Ng Management Challenges in Enterprise Resource Planning (ERP) Post-Implementation Dr Celeste Ng, Ph.D. Celeste Ng, YZU; 15th Oct 2004."— Presentation transcript:

1 @ Celeste Ng Management Challenges in Enterprise Resource Planning (ERP) Post-Implementation Dr Celeste Ng, Ph.D. Celeste Ng, YZU; 15th Oct 2004

2 @ Celeste Ng Session 1: Previous Research Experience - what is ERP? - what is ERP post-implementation? - what is ERP maintenance? - previous research outcomes

3 @ Celeste Ng What is ERP? Enterprise resource planning –Characteristics: integrated, cross-functional, modern business application packaged software –Vendor (int’l): SAP (Germany), Oracle (Calf.,USA), PeopleSoft (USA), J.D. Edward (USA) –Vendor (Taiwan): Data Systems Consulting Co., Ltd. ( 鼎新電腦 ), Wellan System Co., Ltd. ( 偉盟系統股份有 限公司 ),Datawin ( 鉅茂科技股份有限公司 ). –Market: generate nearly $20B in revenue in year 2002 Section 1: Previous research experience

4 @ Celeste Ng What is ERP post-implementation? Activities after system implementation

5 @ Celeste Ng What is ERP maintenance? Post-implementation activities Undertaken by the client-organization Targeting at –keeping the system running correctly –operating well in a changed environment –providing user-support –realizing more business benefits –maintaining the installed system a supported version SOURCE: Ng, C.S.P., G.G. Gable, and T. Chan, "An ERP-client Benefits-oriented Maintenance Taxonomy", Journal of Systems and Software, 64(2), pp , 15 November 2002.

6 @ Celeste Ng Outcomes – for maintenance request classification ADAPTED FROM: Ng, C.S.P., G.G. Gable, and T. Chan, "An ERP-client Benefits-oriented Maintenance Taxonomy", Journal of Systems and Software, 64(2), pp , 15 November 2002.

7 @ Celeste Ng Outcomes – for decision-making process (1) SOURCE: Ng, C.S.P., "A Decision Framework for Enterprise Resource Planning Maintenance and Upgrade: A Client Perspective", Journal of Software Maintenance and Evolution: Research and Practice, 13(6), pp , 2001.

8 @ Celeste Ng Outcomes – for decision-making process (2) W j = relative weight for a benefit category-j x j = unrealized benefit value of a request evaluated under benefit-j SOURCE: Ng, C.S.P., G.G. Gable, and T. Chan, "An ERP-client Benefits-oriented Maintenance Taxonomy", Journal of Systems and Software, 64(2), pp , 15 November 2002.

9 @ Celeste Ng Outcomes – for decision-making process (3) SOURCE: Ng, C.S.P., "A Decision Framework for Enterprise Resource Planning Maintenance and Upgrade: A Client Perspective", Journal of Software Maintenance and Evolution: Research and Practice, 13(6), pp , 2001.

10 @ Celeste Ng Outcomes – for decision-making process (3) Total cost of ownership, Z is: SOURCE: Ng C. S. P Enterprise Resource Planning Maintenance Concepts. Encyclopedia of Information Science and Technology; Khosrow-Pour M.(Ed.). Idea Group, Inc.: Hershey, PA; (In-press)

11 @ Celeste Ng Outcomes – for maintenance methodology A documented maintenance methodology is produced that follows SEI software process modeling. SOURCE: Ng, C.S.P., G.G. Gable, and T. Chan,"An ERP Maintenance Model," in IEEE Proceedings of the IEEE Hawaii International Conference on System Sciences (HICSS), pp. (on CD-ROM), 2003.

12 @ Celeste Ng Outcomes – for maintenance data-model SOURCE: Ng, C.S.P., G.G. Gable, and T. Chan, "A Maintenance-data-model of Enterprise Resource Planning," in Proceedings of the Australasian Conference on Information Systems (ACIS), pp , 2001.


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