Computer Floss » PhD

Manny Lehman dies

Fri, 14 Jan 2011 10:12:35 +0000

Sad news. Professor Manny Lehman passed away a few weeks ago. Someone I would very much like to have met, he was the originator of the laws of software evolution, a subject which served as a foundation stone of my own PhD thesis, thus making me particularly indebted to his contributions.

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Christopher Özbek and his Flying Colours

Sun, 19 Dec 2010 12:19:22 +0000

My friend and sometime colleague, Christopher Özbek, presented his final PhD defence on Friday at Freie Universität Berlin. I am pleased to report that he was passed with flying colours, being awarded the highest possible grade (summa cum laude?). His dissertation addresses the matter of how to innovate within FLOSS projects, that is, how to […]

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An Open Source Eco-System?

Mon, 06 Sep 2010 09:48:17 +0000

To summarise the prior writings from my doctoral thesis: I’ve shown how there are both notable differences and similarities between certain measures of FLOSS repositories (such as number of contributors attracted, rate of contributions, complexity control work, etc.) The pattern of similarities and differences that emerged clearly differentiated one group (containing Debian, GNOME, and KDE) […]

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The Catalyst Effect in FLOSS Repositories

Mon, 26 Apr 2010 06:56:07 +0000

In the course of my PhD studies, I proposed that when a project makes a transition from one repository to another, you could expect to see significant changes to a project’s evolutionary characteristics. Indeed, I covered this in earlier posts, discussing the transition from SourceForge to Debian. Here, we saw that the number of developers […]

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Continuing the Empirical Results: Anti-Regressive Work

Mon, 19 Apr 2010 05:34:35 +0000

It has been a while since I wrote about my research into FLOSS, for which there are a few reasons. When last I wrote I was approaching my PhD defence, and for the whole PhD process to come to an end I had to wait until January this year, when my thesis was officially approved. […]

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A Life Update

Wed, 28 Oct 2009 15:07:09 +0000

I seem to have fallen off the blogosphere in the past few weeks. There is good reason for this I assure you. Firstly, I had been busy preparing for my viva voce, the oral defence of my PhD thesis and the last hurdle to completion. I am happy to say that I was passed, I […]

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