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VARIABILITY IN SOFTWARE SYSTEMS— A SYSTEMATIC LITERATURE REVIEW ��PRESENTED BY

Manik Challana

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Matthias Galster, Danny Weyns, Dan Tofan, Bartosz Michalik, and Paris Avgeriou

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INTRODUCTION

  • Variability : Ability of Software System or Artifact to be

changed.

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  • Variability Handling : Reasoning about, Representing and

Implementing Variability.

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  • Aims to evaluate research in variability handling and trends in

in Variability research.

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RESEARCH METHOD

  • Systematic Literature Review Method is used to evaluate, identify and interpret all studies regarding particular search question.

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  • Development of review protocol

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RESEARCH METHOD

Research Questions

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RESEARCH METHOD

Search Strategy

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  • Manual search completed by automated target search.

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  • Manual Searches are very thorough.

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  • Automated Search omit low quality papers.

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RESEARCH METHOD

Search Scope

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  • Publication period (time): Papers Searched were between 2000

and 2014.

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  • Publication venue (space): Premium and high quality venues

were chosen.

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  • Venue Quality : H-Index of venues for venue quality.

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RESEARCH METHOD

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  • Inclusion and Exclusion Criteria : Certain inclusion and exclusion

criteria are defined and based upon them the papers were included and excluded.

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  • The general interest was to select emperical papers or papers that show new research.

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RESEARCH METHOD��SEARCH PROCESS

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RESEARCH METHOD

Quality Criteria

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  • Quality assessment instrument: Based upon three point scale assesses the quality of paper.

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DATA COLLECTION

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RESEARCH METHOD

  • Data Analysis is finally stored and manually reviewed in spread sheets.

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RESULTS

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RESULTS

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RESULTS

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RESULTS

  • Design time variability is the current standard but the trend of runtime variability is increasing.
  • Many paper showed variations in type of variability discussed.
  • The empirical studies are found more sytematic.

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RESULTS

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CONCLUSION

  • For many paper the approach lacked evidence.

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  • Many papers discussed approached that were already discussed and lacked tool support.

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Questions?