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Exploration of an Error Prevention Model for COSMIC Functional Size Measurement Method
Date
2012-10-19
Author
Salmanoğlu, Murat
Demirörs, Onur
Metadata
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The reliability of Functional size is crucial for effort and cost estimation in software development projects. However, estimation results may differ because of the errors made in the measurement process. This research proposes an error prevention model for COSMIC Functional Size Measurement method to increase the reliability of the measurements. The model has two main suggestions; first, to use the types of the functional processes during the measurement to prevent errors, and the second, to use a cardinality table to prevent errors related with cascading processes.
Subject Keywords
Component
,
COSMIC
,
Functional Size Measurement
,
Error Prevention
URI
https://hdl.handle.net/11511/56539
DOI
https://doi.org/10.1109/iwsm-mensura.2012.36
Conference Name
Joint Conference of the 22nd International Workshop on Software Measurement / 7th International Conference on Software Process and Product Measurement (IWSM-MENSURA)
Collections
Graduate School of Informatics, Conference / Seminar
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Accuracy of the functional size is critical in software project management, since functional size is the most prevalent input for effort and cost estimation models. Functional size measurement is performed based on standardized manuals; however, the accuracy of FSM results is still based on the knowledge and cautions of the measurers. In this study we performed a multiple case study to identify the reliability of COSMIC and to observe the frequently encountered errors during functional size measurement. Pro...
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Functional size measurement (FSM) has been used in software engineering for decades as a main driver for estimation and significant input for other various project management activities throughout the project life span. To apply FSM accurately at the early stages of software development process, especially for estimation purposes, functional user requirements need to be available in detail as required by the adopted FSM method. However, in agile software development, requirement specifications, in general, ...
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Although functional size is the primary input for effort and cost estimation formulas, the relation between functional size and development effort does not always hold in practice. Calculating the magnitude of functional similarity is perceived as a partial solution to overcome this problem. In this study we applied different approaches to identify the magnitude of functional similarity in five projects. The applicability of these approaches is evaluated by observing the impact of functional similarity on e...
On the Seven Misconceptions about Functional Size Measurement
ÖZKAN, BARIŞ; Demirörs, Onur (2016-10-07)
Among the various approaches to software size measurement, Functional Size Measurement has been widely recognized for its usability in early phases of software development cycles and its independence from implementation language, development method and technology. Starting from its introduction with the original Function Point Analysis method in 1979, functional size has been a favored input to estimation and productivity models. As a result of the search for solutions to emerging measurement needs and the ...
Correlations Between Problem Domain and Solution Domain Size Measures for Open Source Software
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Predicting how much effort will be required to complete a software project as early as possible is a very important factor in the success of software development projects. Including function points and its variants, there are several size measures and corresponding measurement methods that can be used for effort estimation. However, in most of the projects, there is limited amount of information available in the early stages and significant effort is spent for size measurement and effort estimation with suc...
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M. Salmanoğlu and O. Demirörs, “Exploration of an Error Prevention Model for COSMIC Functional Size Measurement Method,” presented at the Joint Conference of the 22nd International Workshop on Software Measurement / 7th International Conference on Software Process and Product Measurement (IWSM-MENSURA), Assisi, ITALY, 2012, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/56539.
