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By Dirk Riehle, on January 30th, 2012
Today, Victor Sauermann of DATEV eG lectured on the role and responsibilities of a software architect. Herr Sauermann is a lead architect at DATEV eG, the largest German provider of tax and accounting software. The class, our architecture seminar, was well attended and we listened and discussed intently. Below, please find some photo impressions. Thank you, Victor, for teaching us!

Continue reading Impressions from Victor Sauermann’s Talk on “Die Rolle des Softwarearchitekten” in ARCH
By Dirk Riehle, on January 25th, 2012
Today, Ulf Schubert, leader of DATEV’s User Experience Design group, lectured about, well, User Experience Design (UXD). Below, please find some photo impressions. Thank you, Ulf, for teaching us! And we are hoping for more UXD teaching!

Continue reading Impressions from @ulfschubert’s Talk on User Experience Design
By Dirk Riehle, on January 24th, 2012
Today, a colleague confided in me:
“Dirk, if I were a student, I wouldn’t attend your classes. I never liked to speak up and would rather cram for an exam at the end of the semester rather than open my mouth in class.”
Well, that was quite the bummer. However:
We teach to make the most of your time: To achieve the highest possible learning in the shortest amount of time. Your (student) time is precious, and so is ours. For that, we encourage active class participation. To make this clear, parts of your grades depend on that participation.
Look at the following increasing steps of class engagement:
Continue reading Why We Teach The Way We Do
By Dirk Riehle, on January 24th, 2012
Today, Angelika C. Bullinger and Uta Renken lectured in Nailing your Thesis (NYT), our research lab course. They presented a recent research paper of theirs; topically fitting, it was on social research networks and collaboration between scientists. The initial presentation was followed by an in-depth discussion of research method and results as well as the research and paper writing process. Please find some photo impressions below. Thank you, Frau Bullinger and Renken, for teaching us!

Continue reading Impressions from @acbullinger and Uta Renken’s Social Research Collaboration Talk in Nailing your Thesis
By Dirk Riehle, on January 23rd, 2012
Today, Wolfgang Keller of Object Architects lectured in ARCH on Enterprise Architecture Management. Below, please find some photo impressions as well as some tweets. Thank you, Wolfgang, for teaching us!

- EAM deals with the portfolio of business solution architectures from @wolfgangkeller
- Small applications (revenue) don’t need IT support from @wolfgangkeller
- Costs in IT: 60-70% in technical arch/infra, only 30-40% in apps from @wolfgangkeller
- EAM = business arch + apps arch + tech. architecture, data centers from @wolfgangkeller
- Don’t assume you can functionally derive architecture from strategy from @wolfgangkeller
- All layers from infra up to strategy evolve by themselves, interact from @wolfgangkeller
- EAM = system of systems, ultra-large scale systems, metaphor of a metropolis from @wolfgangkeller
- Job of the EAM architect: compliance, security, risk mgmt, architecture in the large from @wolfgangkeller
- EAM architects need global compliance awareness, in particular to US laws e.g. SOX from @wolfgangkeller
Continue reading Impressions from @WolfgangKeller’s Talk on Enterprise Architecture Management
By Dirk Riehle, on January 20th, 2012
Our two main courses for SS 2012 are:
You can now register using StudOn.
By Dirk Riehle, on January 13th, 2012
We will host an industry talk (free and open to the public)
- by: Victor Sauermann, DATEV eG
- about: Die Rolle des Software-Architekten (*)
- on: Jan 30, 2012, 10:00 Uhr
- at: Rm 04.150, Martensstr. 3 (“blaues Hochhaus”)
- as part of: ARCH
Abstract: ”The bravest are surely those who have the clearest vision of what is before them, glory and danger alike, and yet notwithstanding, go out to meet it.” (Thucydides) Dies beschreibt die Aufgabe eines Architekten am besten. Denn geht es bei größeren Software Projekten um Qualität spricht man von Software-Architekturen. Und diese werden von Architekten entworfen, gepflegt, kommuniziert, gegebenenfalls auch verteidigt und natürlich verantwortet. In diesem Vortrag soll die Signifikanz der Software-Architektur im Allgemeinen und die damit verbundenen Aufgaben des Architekten im Speziellen klargestellt werden.
Speaker: Victor Sauermann ist Senior Software Architect bei der DATEV eG in Nürnberg. Zu seinen Aufgabengebieten gehören u.a. der Entwurf und die Bewertung von Architekturen. Aber vor allem die Etablierung und das Vorantreiben einer Referenzarchitektur innerhalb der Entwicklung bei der DATEV eG. Bevor er bei der DATEV eG begann, arbeitete er mehrere Jahre bei der Siemens AG in Erlangen und entwickelte sich vom reinen Software Entwickler und Netzwerk Administrator bis hin zum Software Architekten und Projektleiter.
(*) … oder der Software-Architektin
By Dirk Riehle, on January 13th, 2012
We will host an industry talk (free and open to the public)
- by: Wolfgang Keller, Object Architects
- about: IT-Unternehmensarchitektur – Ein Überblick
- on: Jan 23, 2012, 10:00 Uhr
- at: Rm 04.150, Martensstr. 3 (“blaues Hochhaus”)
- as part of: ARCH
Abstract: IT-Unternehmensarchitektur befasst sich damit, wie man komplette Anwendungslandschaften, beziehungsweise die IT-Investitionen eines Unternehmens so steuern kann, dass für das Unternehmen daraus (gemessen an seinen Zielen) der optimale Nutzen entstehen kann. Der Vortrag gibt einen Überblick über wichtige Prozess der IT-Unternehmensarchitektur und stellt einen musterbasierten Ansatz vor, mit dem man die eigene Funktion für IT-Unternehmensarchitektur so an die Gegebenheiten eines Unternehmens anpassen kann, dass man mit möglichst geringem Aufwand möglichst hohen Nutzen erzielt. Dazu benötigt man Zielmuster, Muster für Prozesse und Muster für Informationsmodelle.
Speaker: Wolfgang Keller befasst sich seit mehr als 20 Jahren mit dem Bau großer, individueller Softwaresysteme, meist für Versicherungen und Banken. Nach ersten Jahren bei sd&m (heute Capgemini) arbeitete er in verschiedenen Architekturfunktionen des Generali Konzerns, zuletzt als Chefarchitekt in Deutschland. Seit 2006 arbeitet er freiberuflich als Unternehmensarchitekt und Projektleiter. Er ist Autor diverser Fachbücher und sonstiger Publikationen.
Remark: Relevantes Buch für den Vortrag: Wolfgang Keller: IT-Unternehmensarchitektur, dpunkt Verlag, 2006. Vortrag basiert auf zweiter, überarbeiteter und erweiterter Auflage, erscheint Ende Februar 2012. Web: www.objectarchitects.biz
By Dirk Riehle, on January 9th, 2012
Abstract: Although open source software has developed from a negligible phenomenon to an integral part of today’s business world, there are still companies which cannot see its commercial viability. As a consequence, these companies keep on ignoring this wide-spread trend, therefore missing possible profits and the chance to gain an advantage over their competitors. In order to provide arguments for the economic potential of open source software, a comprehensive model of commercially viable product features is described in the present thesis. This hierarchically structured model was created based on interview analysis, literature research and expert discussions and provides a detailed analysis of each feature, while explaining why these features are of economic value. Additionally, practical knowledge of open source companies is incorporated into this work through the use of a survey. The results of this survey are used to validate and expand the model and to generate insight about both importance and bundling of features. In the end, the reader will see which aspects of open source software products can be used to generate profit.
Keywords: Open source; commercial open source; single-vendor open source; open core model; open source distributors; product features; software product feature model
PDFs: Master Thesis, Aufgabenstellung
Reference: Florian Weikert. Product Features in Commercial Open Source Software. Bachelor Thesis, Friedrich Alexander-University of Erlangen-Nürnberg: 2012.
By Dirk Riehle, on December 27th, 2011
The Open Source Research Group is looking back on a second successful year at the Friedrich-Alexander University of Erlangen-Nürnberg (FAU).
Overview
- Research
- Teaching
- Entrepreneurship
- Public Service
- Thank You!
- Publications
- Student Theses
- More Links
1. Research
In our open source software engineering research, empirical work is farthest ahead, with interesting results: For example, by analyzing developer work rhythms we were able to show that most open source is being developed weekdays, 9-5, on company time. No surprise, you might say, but someone had to prove it. In the same vein, we have been empirically analyzing open source programming behavior, with more interesting results on how to improve tools to be published next year.
Continue reading Letter to Stakeholders (Year-End 2011)
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