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Documents authored by Wagner, Stefan

Document
DOI: 10.4230/OASIcs.Microservices.2017-2019.3
Exploring Maintainability Assurance Research for Service- and Microservice-Based Systems: Directions and Differences

Authors: Justus Bogner, Adrian Weller, Stefan Wagner, and Alfred Zimmermann

Published in: OASIcs, Volume 78, Joint Post-proceedings of the First and Second International Conference on Microservices (Microservices 2017/2019)

Abstract
To ensure sustainable software maintenance and evolution, a diverse set of activities and concepts like metrics, change impact analysis, or antipattern detection can be used. Special maintainability assurance techniques have been proposed for service- and microservice-based systems, but it is difficult to get a comprehensive overview of this publication landscape. We therefore conducted a systematic literature review (SLR) to collect and categorize maintainability assurance approaches for service-oriented architecture (SOA) and microservices. Our search strategy led to the selection of 223 primary studies from 2007 to 2018 which we categorized with a threefold taxonomy: a) architectural (SOA, microservices, both), b) methodical (method or contribution of the study), and c) thematic (maintainability assurance subfield). We discuss the distribution among these categories and present different research directions as well as exemplary studies per thematic category. The primary finding of our SLR is that, while very few approaches have been suggested for microservices so far (24 of 223, ∼11%), we identified several thematic categories where existing SOA techniques could be adapted for the maintainability assurance of microservices.
Cite as

Justus Bogner, Adrian Weller, Stefan Wagner, and Alfred Zimmermann. Exploring Maintainability Assurance Research for Service- and Microservice-Based Systems: Directions and Differences. In Joint Post-proceedings of the First and Second International Conference on Microservices (Microservices 2017/2019). Open Access Series in Informatics (OASIcs), Volume 78, pp. 3:1-3:22, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)

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@InProceedings{bogner_et_al:OASIcs.Microservices.2017-2019.3,
  author =	{Bogner, Justus and Weller, Adrian and Wagner, Stefan and Zimmermann, Alfred},
  title =	{{Exploring Maintainability Assurance Research for Service- and Microservice-Based Systems: Directions and Differences}},
  booktitle =	{Joint Post-proceedings of the First and Second International Conference on Microservices (Microservices 2017/2019)},
  pages =	{3:1--3:22},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-137-5},
  ISSN =	{2190-6807},
  year =	{2020},
  volume =	{78},
  editor =	{Cruz-Filipe, Lu{\'\i}s and Giallorenzo, Saverio and Montesi, Fabrizio and Peressotti, Marco and Rademacher, Florian and Sachweh, Sabine},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.Microservices.2017-2019.3},
  URN =		{urn:nbn:de:0030-drops-118255},
  doi =		{10.4230/OASIcs.Microservices.2017-2019.3},
  annote =	{Keywords: Maintainability, Software Evolution, Quality Assurance, Service-Based Systems, SOA, Microservices, Systematic Literature Review}
}
Document
DOI: 10.4230/OASIcs.ICCSW.2012.109
Get started imminently: Using tutorials to accelerate learning in automated static analysis

Authors: Jan-Peter Ostberg and Stefan Wagner

Published in: OASIcs, Volume 28, 2012 Imperial College Computing Student Workshop

Abstract
Static analysis can be a valuable quality assurance technique as it can find problems by analysing the source code of a system without executing it. Getting used to a static analysis tool, however, can easily take several hours or even days. In particular, understanding the warnings issued by the tool and rooting out the false positives is time consuming. This lowers the benefits of static analysis and demotivates developers in using it. Games solve this problem by offering a tutorial. Those tutorials are integrated in the setting of the game and teach the basic mechanics of the game. Often it is possible to repeat or pick topics of interest. We transfer this pattern to static analysis lowering the initial barrier of using it as well as getting an understanding of software quality spread out to more people. In this paper we propose a research strategy starting with a piloting period in which we will gather information about the questions static analysis users have as well as hone our answers to these questions. These results will be integrated into the prototype. We will evaluate our work then by comparing the fix times of user using the original tool versus our tool.
Cite as

Jan-Peter Ostberg and Stefan Wagner. Get started imminently: Using tutorials to accelerate learning in automated static analysis. In 2012 Imperial College Computing Student Workshop. Open Access Series in Informatics (OASIcs), Volume 28, pp. 109-115, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2012)

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@InProceedings{ostberg_et_al:OASIcs.ICCSW.2012.109,
  author =	{Ostberg, Jan-Peter and Wagner, Stefan},
  title =	{{Get started imminently: Using tutorials to accelerate learning in automated static analysis}},
  booktitle =	{2012 Imperial College Computing Student Workshop},
  pages =	{109--115},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-48-4},
  ISSN =	{2190-6807},
  year =	{2012},
  volume =	{28},
  editor =	{Jones, Andrew V.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.ICCSW.2012.109},
  URN =		{urn:nbn:de:0030-drops-37739},
  doi =		{10.4230/OASIcs.ICCSW.2012.109},
  annote =	{Keywords: static analysis, motivation, usability, empirical research, gamification}
}
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