Latest Publications on Industry and Research
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Solving the Commercial Open Source Licensing Dilemma With Triple-Licensing
As you may have noticed, the move away from approved open source licenses to commercial almost-like-open-source licenses by single-vendor-owned open source projects has created a lot of bad press for the vendors behind such software. I don’t really understand this, because for all that I can tell, a triple-licensing rather than just a dual-licensing approach…
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Free and open source software licenses explained (Miriam Ballhausen, IEEE Computer)
I’m happy to report that the second article in the open source column of IEEE Computer has been published. Title Free and Open Source Software Licenses Explained Keywords Open source software, licenses, computer security Authors Miriam Ballhausen, Bird & Bird, LLP Publication Computer vol. 52, no. 10 (June 2019), pp. 82-86 Abstract: This installment of…
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The Commercial Open Source Pledge
I’m pretty frustrated by some of the discussion around the recent relicensing decisions by commercial open source companies. A fair bit of it seems confused to me, and I think this is mostly due to commentators not understanding the purpose of community for the vendor. So I decided to write a hypothetical pledge for venture-capital…
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Market Segmentation in the Open Core Model
Life is exciting in commercial open source land. On Tuesday this week, another commercial open source vendor relicensed its product while at the same time disavowing the open core model, which they call a tiered approach to their business. This disavowel piqued my interest, not because the open core model is good or bad, but…
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Agile Methods and the Magic Triangle
In software engineering, the magic triangle is a well-known concept to illustrate the relationship between scope, time, and cost of a software development project. Of the three (scope, time, cost), pick two, and the third will magically follow. (It is determined by the other two.) Scope means features (or delivered functionality), time means duration or…
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Position Statement on the Use of ML / KI Techniques in Software Engineering For the adesso Hochschulbeirat
I just submitted the following short position statement on how to work with ML / KI techniques in software engineering. This is a statement on using such techniques for the engineering of software, not in the software itself, which is a (not completely, but mostly) separate issue. ML / KI techniques can be use in…