A study of development and maintenance in Norway: assessing the efficiency of information systems support using functional maintenance

Holgeid, Knut Kjetil; Krogstie, John; Sjøberg, Dag I. K.

doi:10.1016/s0950-5849(00)00111-7

Cited by 22 publications

(29 citation statements)

References 13 publications

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“…Earlier survey-investigations in the area of development of application systems toward a comparable population had given a response rate of about 22% [14,19,22] and the response rate of similar surveys has been around 20-25% (e.g., [27,29]. Thus an answer ratio of approximately 20% was expected also in this investigation.…”

Section: Methodssupporting

confidence: 55%

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Comparing Private and Public Sector on Information Systems Development and Maintenance Efficiency

Krogstie¹

2012

Lecture Notes in Computer Science

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Abstract. This paper provides a comparison between public and private organizations on key figures relative to the information systems support activities. Many have claimed that public sector has a less satisfactory conduct of information system support than private sector. In this article we present selected data from survey investigations performed among Norwegian organizations on how they conduct information systems development and maintenance. This investigation has earlier been compared with similar investigations of this sort. A major finding from the previous comparisons is that even if we witness large changes in the underlying implementation technology and approaches used, a number of aspects such as the overall percentage of time used for maintaining and evolving systems in production compared to time used for development is remarkably stable. When we compare public and private organizations in the last survey, we find a small difference on some variables, but these are not statistically significant, thus cannot be used to conclude that IT development and evolutions is conducted more poorly in public sector than in private sector.

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Section: Methodssupporting

confidence: 55%

“…The contents of the form were based on previous investigations within this area; especially those described in [14,19,22,27,29,36].…”

Section: Methodsmentioning

confidence: 99%

Comparing Private and Public Sector on Information Systems Development and Maintenance Efficiency

Krogstie¹

2012

Lecture Notes in Computer Science

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“…Use of organisational controls concerning maintenance has been reported in several studies [8,10,11,12,15].…”

Section: Use Of Methodology and Organisational Controlsmentioning

confidence: 98%

“…The form contained 38 questions, many with sub-questions. The contents of the form [7] were based on previous investigations within this area; especially those described in [8][9][10][11][12].…”

Section: Basic Conceptsmentioning

confidence: 99%

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Work Distribution, Methodology and Technology for ISD and Maintenance

Krogstie

2006

The Past and Future of Information Systems: 1976–2006 and Beyond

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Abstract. The information systems we see around us today are at first sight very different from those that were developed 30 years ago. On the other hand, it seems that we are still struggling with many of the same problems, such as late projects and unfilled customer demands. In this article we present selected data from survey investigations performed by us in 1993, 1998, and 2003 among Norwegian organisations on how they conduct information systems development and maintenance. The investigations looks on many of the same areas as earlier investigations e.g. by Lientz and Swanson in the late 1970', thus we are able to report on some tendencies of the development in the last 30 years. A major finding is that even if we witness large changes in the implementation technology and methods used, a number of aspects such as overall percentage of time used for maintaining and evolving systems in production compared to time used for development is remarkably stable. The same can be said about the rate of replacement, around 50% of 'new' systems to be developed are replacement systems. On the other hand, since we have more complex infrastructures supporting the information systems, more and more of the resources are used for other tasks such as operations and usersupport. Less and less time is available for providing new information systems support in organisation

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Function‐point analysis using design specifications based on the Unified Modelling Language

Uemura¹,

Kusumoto²,

Inoue³

2001

J. Softw. Maint. Evol.: Res. Pract.

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Function‐point analysis was introduced to help measure the functionality of software systems. For more than a decade, function points have been widely used to measure the size of information systems, often as a part of estimating the effort required for software development and maintenance processes. Limiting the use of function point measurement have been concerns about variable judgements on the part of the personnel doing the measurement, yielding differences in function‐point measures for the same software product even in the same organization. Also, if an organization tries to introduce function‐point analysis, the process normally starts with measurements from the organization's own past software products—a time consuming task with start‐up costs. In this paper, we propose detailed function‐point analysis measurement rules using design specifications based on the Unified Modelling Language and describe a function‐point measurement tool, whose inputs are design specifications developed on Rational Rose®. Then in this paper, we report tool validation work on software involved in software evolution at an organization where we have applied the tool to actual design specifications and examined the differences between the function point values obtained by the tool and those of an experienced function point measurement specialist at the organization. Copyright © 2001 John Wiley & Sons, Ltd.

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A study of development and maintenance in Norway: assessing the efficiency of information systems support using functional maintenance

Cited by 22 publications

References 13 publications

Comparing Private and Public Sector on Information Systems Development and Maintenance Efficiency

Comparing Private and Public Sector on Information Systems Development and Maintenance Efficiency

Work Distribution, Methodology and Technology for ISD and Maintenance

Function‐point analysis using design specifications based on the Unified Modelling Language

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