Introducing enterprise information systems (EIS) is usually associated with high costs. It is therefore crucial to understand those factors that determine or influence these costs. Though software cost estimation has received considerable attention during the last decades, it is difficult to apply existing approaches to EIS. This difficulty particularly stems from the inability of these methods...

The results of this study suggest that while business changes are more prevalent than technology changes during information systems development projects (ISDPs), project teams are less efficient in handling business changes than technology changes. To improve ISDP performance, project teams must increase their capabilities of managing business changes.

This paper takes the position that software process modelling and information systems modelling are closely related in topic | although research is performed by two rather distinct camps and approaches di er. We think that both elds would bene t from more cooperation. The close relationship between the elds is indicated by a modelling example.

The development of more usable and effective healthcare information systems has become a critical issue. In the software industry methodologies such as agile and iterative development processes have emerged to lead to more effective and usable systems. These approaches highlight focusing on user needs and promoting iterative and flexible development practices. Evaluation and testing of iterativ...

Technical proficiency has not enabled our profession to deliver value for money in terms of improved organisational performance. Evidence of this failure is adduced. The recommended change is to approach organisations as the information systems we develop. To achieve this we need a better understanding of information, the key resource, better ways of modelling organisations in information terms...

This paper explores the relationships between jazz and the development of information systems. Similarities are drawn between music in general and information systems development methodologies and jazz is taken as a specific focus. The idea of music as an information system in its own right is outlined. As systems development methodologies move from formal approaches towards more ad hoc forms, ...

15 Spring • 1994 Information Resources Management Journal Manuscript originally submitted December 22, 1992; Revised June 2, 1993; Accepted July 7, 1993. A systems analyst is an ambiguous title that has been used to describe everyone from programmer to team leader. In spite of its shortcomings, this title comes closest to defining the person (or persons) who play the most critical role in syste...

Statistics and information are considered the most important source of power in organizations and the source for all managerial activities. If correct and comprehensive information are readily at hand, incorrect decisions will be reduced to a minimum. The purpose of this study is to review the effects of hospital information system in regards to effectiveness of decisions made by managers. The ...

The implementation phase of the software development life cycle is critical for continued organizational success. As organizations evolve their business processes after the launch of a new system, the system needs to continue to evolve in order to take advantage of these opportunities. In this research, we explore the changes that take place in a large manufacturing system in order to understan...