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Dintzner, N. (author), Van Deursen, A. (author), Pinzger, M. (author)
Evolving a large scale, highly variable systems is a challenging task. For such a system, evolution operations often require to update consistently both their implementation and its feature model. In this context, the evolution of the feature model closely follows the evolution of the system. The purpose of this work is to show that fine-grained...
report 2015
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Dintzner, N.J.R. (author), Van Deursen, A. (author), Pinzger, M. (author)
Evolving a large scale, highly variable sys- tems is a challenging task. For such a system, evolution operations often require to update consistently both their implementation and its feature model. In this con- text, the evolution of the feature model closely follows the evolution of the system. The purpose of this work is to show that fine...
report 2015
document
Dintzner, N.J.R. (author), Kulesza, U. (author), Van Deursen, A. (author), Pinzger, M. (author)
Evolving large-scale, complex and highly variable systems is known to be a difficult task, where a single change can ripple through various parts of the system with potentially undesirable effects. In the case of product lines, and moreover multi-product lines, a change may affect only certain variants or certain combinations of features, making...
report 2014
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Romano, D. (author), Raemaekers, S. (author), Pinzger, M. (author)
Recent studies have shown that the violation of the Interface Segregation Principle (ISP) is critical for maintaining and evolving software systems. Fat interfaces (i.e., interfaces violating the ISP) change more frequently and degrade the quality of the components coupled to them. According to the ISP the interfaces’ design should force no...
report 2014
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Romano, D. (author), Pinzger, M. (author)
The relevance of the service interfaces’ granularity and its architectural impact have been widely investigated in literature. Existing studies show that the granularity of a service interface, in terms of exposed operations, should reflect their clients’ usage. This idea has been formalized in the Consumer-Driven Contracts pattern (CDC)....
report 2014
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Dintzner, N.J.R. (author), Van Deursen, A. (author), Pinzger, M. (author)
The Linux kernel feature model has been studied as an example of large scale evolving feature model and yet details of its evolution are not known. We present here a classification of feature changes occurring on the Linux kernel feature model, as well as a tool, FMDiff, designed to automatically extract those changes. With this tool, we...
report 2014
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Romano, D. (author), Pinzger, M. (author)
Version: Accepted for publication in the Proceedings of the International Conference on Software Maintenance (ICSM), 2013, IEEE Computer Society. Doi: http://dx.doi.org/10.1109/ICSM.2013.49 Q&A sites have become popular to share and look for valuable knowledge. Users can easily and quickly access high quality answers to common questions. The...
report 2013
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Giger, E. (author), Pinzger, M. (author), Gall, H.C. (author)
Two important questions concerning the coordination of development effort are which bugs to fix first and how long it takes to fix them. In this paper we investigate empirically the relationships between bug report attributes and the time to fix. The objective is to compute prediction models that can be used to recommend whether a new bug should...
report 2013
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Hermans, F.F.J. (author), Pinzger, M. (author), Van Deursen, A. (author)
Preprint of article published in: Empirical Software Engineering, February 2014, Springer Science+Business Media New York, doi:10.1007/s10664-013-9296-2 Spreadsheets are used extensively in business processes around the world and just like software, spreadsheets are changed throughout their lifetime causing understandability and maintainability...
report 2013
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Romano, D. (author), Pinzger, M. (author)
Preprint of paper published in: ICWS 2012 - IEEE 19th International Conference on Web Services, 24-29 June 2012; doi:10.1109/ICWS.2012.29 In the service-oriented paradigm web service interfaces are considered contracts between web service subscribers and providers. However, these interfaces are continuously evolving over time to satisfy changes...
report 2012
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Romano, D. (author), Raila, P. (author), Pinzger, M. (author), Khomh, F. (author)
Preprint of paper published in: WCRE 2012 - Proceedings of the 19th Working Conference on Reverse Engineering, 15-18 October 2012; doi:10.1109/WCRE.2012.53 Antipatterns are poor solutions to design and implementation problems which are claimed to make object oriented systems hard to maintain. Our recent studies showed that classes with...
report 2012
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Hermans, F.F.J. (author), Pinzger, M. (author), Van Deursen, A. (author)
Spreadsheets are widely used in industry, because they are flexible and easy to use. Often they are used for business-critical applications. It is however difficult for spreadsheet users to correctly assess the quality of spreadsheets, especially with respect to the understandability. Understandability of spreadsheets is important, since...
report 2012
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Giger, E. (author), Pinzger, M. (author), Gall, H.C. (author)
Preprint of paper published in: 9th IEEE Working Conference on Mining Software Repositories (MSR), 2-3 June 2012; doi:10.1109/MSR.2012.6224284 There exist many approaches that help in pointing developers to the change-prone parts of a software system. Although beneficial, they mostly fall short in providing details of these changes. Fine-grained...
report 2012
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Hermans, F. (author), Pinzger, M. (author), Van Deursen, A. (author)
Spreadsheets are used extensively in business processes around the world and just like software, spreadsheets are changed throughout their lifetime causing maintainability issues. This paper adapts known code smells to spreadsheet formulas. To that end we present a list of metrics by which we can detect smelly formulas and a visualization...
report 2011
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Romano, D. (author), Pinzger, M. (author), Bouwers, E. (author)
Service Oriented Architecture (SOA) enables organizations to react to requirement changes in an agile manner and to foster the reuse of existing services. However, the dynamic nature of service oriented systems and their agility bear the challenge of properly understanding such systems. In particular, understanding the dependencies among...
report 2011
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Romano, D. (author), Pinzger, M. (author)
Recent empirical studies have investigated the use of source code metrics to predict the change- and defect-proneness of source code files and classes. While results showed strong correlations and good predictive power of these metrics, they do not distinguish between interface, abstract or concrete classes. In particular, interfaces declare...
report 2011
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Giger, E. (author), Pinzger, M. (author), Gall, H.C. (author)
The Gini coefficient is a prominent measure to quantify the inequality of a distribution. It is often used in the field of economy to describe how goods, e.g., wealth or farmland, are distributed among people. We use the Gini coefficient to measure code ownership by investigating how changes made to source code are distributed among the...
report 2011
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Guzzi, A. (author), Hattori, L. (author), Lanza, M. (author), Pinzger, M. (author), Van Deursen, A. (author)
The program comprehension research community has been developing useful tools and techniques to support developers in the time-consuming activity of understanding software artifacts. However, the majority of the tools do not bring collective benefit to the team: After gaining the necessary understanding of an artifact (e.g., using a technique...
report 2011
document
Giger, E. (author), Pinzger, M. (author), Gall, H.C. (author)
A significant amount of research effort has been dedicated to learning prediction models that allow project managers to efficiently allocate resources to those parts of a software system that most likely are bug-prone and therefore critical. Prominent measures for building bug prediction models are product measures, e.g., complexity or process...
report 2011
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Van Deursen, A. (author), Mesbah, A. (author), Cornelissen, B. (author), Zaidman, A. (author), Pinzger, M. (author), Guzzi, A. (author)
In practice, many people have to work together to develop and maintain a software system. However, the programmer’s key tool, the Integrated Development Environment (IDE), is a solo-tool, serving to help individual programmers understand and modify the system. Such an IDE does not leverage the knowledge other team members may have of the design...
report 2010
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