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2017•IOP Conference Series Materials Science and EngineeringOpen access

Software Size Estimation Using Activity Point

S Densumite, Pornsiri Muenchaisri

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Abstract

Software size is widely recognized as an important parameter for effort and cost estimation. Currently there are many methods for measuring software size including Source Line of Code (SLOC), Function Points (FP), Netherlands Software Metrics Users Association (NESMA), Common Software Measurement International Consortium (COSMIC), and Use Case Points (UCP). SLOC is physically counted after the software is developed. Other methods compute size from functional, technical, and/or environment aspects at early phase of software development. In this research, activity point approach is proposed to be another software size estimation method. Activity point is computed using activity diagram and adjusted with technical complexity factors (TCF), environment complexity factors (ECF), and people risk factors (PRF). An evaluation of the approach is present.

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What this paper is about

Software size is widely recognized as an important parameter for effort and cost estimation. Currently there are many methods for measuring software size including Source Line of Code (SLOC), Function Points (FP), Netherlands Software Metrics Users Association (NESMA), Common Software Measurement International Consortium (COSMIC), and Use Case Points (UCP). SLOC is physically counted after the software is developed. Other methods compute size from functional, technical, and/or environment aspects at early phase of software development. In this research, activity point approach is proposed to be another software size estimation method. Activity point is computed using activity diagram and adjusted with technical complexity factors (TCF), environment complexity factors (ECF), and people risk factors (PRF). An evaluation of the approach is present.

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Available abstract

Software size is widely recognized as an important parameter for effort and cost estimation. Currently there are many methods for measuring software size including Source Line of Code (SLOC), Function Points (FP), Netherlands Software Metrics Users Association (NESMA), Common Software Measurement International Consortium (COSMIC), and Use Case Points (UCP). SLOC is physically counted after the software is developed. Other methods compute size from functional, technical, and/or environment aspects at early phase of software development. In this research, activity point approach is proposed to be another software size estimation method. Activity point is computed using activity diagram and adjusted with technical complexity factors (TCF), environment complexity factors (ECF), and people risk factors (PRF). An evaluation of the approach is present.

Key concepts: Function point, Use Case Points, Software sizing, Computer science, Software, Verification and validation, Software metric, Software development

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