36 resultados para Enterprise Systems


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During the past decade, an increased focus on charismatic and transformational leadership has led to a diminished recognition of the importance of transactional leadership behaviours for successful information systems. We say that this is important because recent studies have shown that transactional leadership, in the form of contingent reward behaviour, can have substantial effects on employee attitudes, perceptions and behaviour. Therefore, in this study we discuss how contingent reward transactional leadership behaviour influences enterprise resource planning (ERP) users’ continuance intention by proposing a research model that explains how contingent reward has a positive effect on ERP users’ satisfaction and perceived usefulness which leads to ERP continuance intention. We further argue that distributive justice mediates this relationship. This study calls for managers to pay attention to the importance of contingent reward leadership behaviour in continuous intention of ERP.

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In this theoretical paper, we introduce and describe a model, and demonstrate its origins from the disciplines of Enterprise Architecture, cybernetics and systems theory. We use cybernetic thinking to develop a ‘Co-evolution Path Model’ that describes how enterprises as complex systems co-evolve with their complex environments. The model re-interprets Stafford Beer’s Viable System Model, and also uses the theorem of the ‘good regulator’ of Conant and Ashby, exemplifying how various complexity management theories could be synthesised into a cybernetic theory of Enterprise Architecture, using concepts from the generalisation of EA frameworks.

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This paper is a discussion of research on the co-alignment of enterprise resource planning (ERP) systems capabilities and global business information requirements for improved performance. It is based on Structural Equation Modelling (SEM) analysis to establish that if these two constructs (ERP systems capabilities and global business information requirements) are co-aligned, improved global business performance is achieved. Research undertaken in this paper is based on a survey of global businesses that have implemented ERP systems. It extends the extant IT/IS alignment theories to ERP/Global business information requirements alignment. It makes an important contribution to the global business management information literature, by identifying and validating a set of important global business information requirements. This research also makes a novel contribution to the ERP systems literature by establishing a set of ERP systems capabilities that are useful for managing global business information requirements.

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Enterprises are continuously evolving systems; this evolution can be directed or emergent. Enterprise transformation has special aspects due to the enterprise being a socio-technical system whereupon evolution happens on the levels of individuals / humans / organisation, on the level of the technology and on the level of the Information Systems that integrates the activities performed by humans and by technology. Furthermore, changes are typically continuous, due partly to external factors and partly to strategic foresights. Either way, transformation needs to happen so that the enterprise can keep satisfying its objectives. An important transformation mechanism is to perform mergers or acquisitions (M&As). Interestingly, literature reveals that an unacceptably high percentage of M&As do not achieve the aimed objectives and (as we demonstrate) the success of such trajectory depends on several factors. This article proposes a methodology to overcome potential problems by making necessary anticipatory transformations opening up a possibility to perform M&As with a better chance of success.

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This paper identifies novel approaches to future small and medium enterprise (SME) research from a review of articles, and then introduces the papers in this AJIS special section which evidence these approaches. More specifically, the paper makes an important contribution by reviewing 61 articles in high ranked IS journals (2000-2014) and introducing three new facets which are used to analyse research on SME adoption/use of IS (units of analysis, SME sizes and SME types) not considered in previous literature review studies. These facets provide thebasis for proposing various future research opportunities. The editorial then introduces the four papers in this special section covering the research theme on SMEs, and highlights the contributions they make using the three facets.

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Large enterprise software systems make many complex interactions with other services in their environment. Developing and testing for production-like conditions is therefore a very challenging task. Current approaches include emulation of dependent services using either explicit modelling or record-and-replay approaches. Models require deep knowl-edge of the target services while record-and-replay is limited in accuracy. Both face developmental and scaling issues. We present a new technique that improves the accuracy of record-and-replay approaches, without requiring prior knowledge of the service protocols. The approach uses Multiple Sequence Alignment to derive message prototypes from recorded system interactions and a scheme to match incoming request messages against prototypes to generate response messages. We use a modified Needleman-Wunsch algorithm for distance calculation during message matching. Our approach has shown greater than 99% accuracy for four evaluated enterprise system messaging protocols. The approach has been successfully integrated into the CA Service Virtualization commercial product to complement its existing techniques.