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The objective of this paper is to determine under what circumstances individual organizations would be able to rely on cross-company-based estimation models. We performed a systematic review of studies that compared predictions from cross-company models with predictions from within-company models based on analysis of project data. Ten papers compared(More)
SUMMARY We suggest that empirical studies of maintenance are difficult to understand unless the context of the study is fully defined. We developed a preliminary ontology to identify a number of factors that influence maintenance. The purpose of the ontology is to identify factors that would affect the results of empirical studies. We present the ontology(More)
Recently the awareness of the importance of replicating studies has been growing in the empirical software engineering community. The results of any one study cannot simply be extrapolated to all environments because there are many uncontrollable sources of variation between different environments. In our work, we have reasoned that the availability of(More)
Inspections can be used to identify defects in software artifacts. In this way, inspection methods help to improve software quality, especially when used early in software development. Inspections of software design may be especially crucial since design defects (problems of correctness and completeness with respect to the requirements, internal(More)
This paper describes a systematic review performed on model-based testing (MBT) approaches. A selection criterion was used to narrow the initially identified four hundred and six papers to focus on seventy-eight papers. Detailed analysis of these papers shows where MBT approaches have been applied, the characteristics, and the limitations. The comparison(More)
Empirical software engineers usually use a two-staged taxonomy based on the terms in vivo or in vitro, according the control level that can be attained upon the environment where these studies are executed. Despite its importance, this taxonomy does not capture relevant issues concerned with different study categories, mainly those exploring computer(More)
OBJECTIVE – The objective of this paper is to determine under what circumstances individual organisations would be able to rely on cross-company based estimation models. METHOD – We performed a systematic review of studies that compared predictions from cross-company models with predictions from within-company models based on analysis of project data.(More)