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Enhancing Use-Case-Based Effort Estimation with Transaction Types

Mirosław Ochodek and Jerzy Nawrocki (2010)

Foundations of Computing and Decision Sciences, 35(2):91-106.

Most of the use-case-based effort estimation techniques rely on a concept of use-case transaction that is used for measuring complexity of use cases. This includes the most recognizable Karner’s Use Case Points and the Transactions metric recently proposed by Robiolo and Orosco.

Both approaches are focusing on quantitative aspects of use-case transactions. However, in this paper, we would like to propose a new method for measuring use-case complexity that is called TTPoints. It includes knowledge regarding semantics of transactions, numbers of business objects and interacting actors.

Effort estimation accuracy of the proposed method was compared to accuracies of Use Case Points, Transactions, and Entity Objects, in the case study on a set of 8 projects.

This paper is a revised version of the paper presented at the 4th IFIP TC2 Central and East European Conference on Software Engineering Techniques CEE-SET 2009, October 12-14, Kraków, Poland.

Project operated within the Foundation for Polish Science Ventures Programme co-financed by the EU European Regional Development Fund


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