2 Research

Doctoral Thesis: Retaining and Managing Episodic Contributors in Free/Libre/Open Source Software Communities (Dr. Ann Barcomb)

Abstract: Free/libre/open source software (FLOSS) communities are commonly understood according to the Onion model. This thesis presents an alternative approach of understanding participation, the habitualepisodic lens drawn from the general volunteering literature. Episodic volunteering (EV) is an...

Doctoral Thesis: Measuring Inner Source Collaboration (Dr. Maximilian Capraro)

Abstract: Inner source (IS) is the use of open source software development practices and the establishment of open source-like communities within an organization. The organization may still develop proprietary software but internally opens up its development. IS promises to resolve problems of trad...

Doctoral Thesis: Corporate Open Source Governance of Software Supply Chains (Dr. Nikolay Harutyunyan)

Abstract: Today most software products incorporate free/libre and open source software (FLOSS) components. FLOSS components are used in development infrastructures, generic and non-differentiating features and functionalities, web browsers, databases, and operating systems. Some software products a...

Research Paper: Managing Your Open Source Supply Chain—Why and How? (IEEE Computer Column)

Abstract: More than 90% of software products include open source components, most of which are not directly added by your own developers. Instead, they are an inseparable part of the software supply chains that virtually all companies depend on. This article covers the related risks of ungoverned o...

Research Paper: Managing Episodic Volunteers in Free/Libre/Open Source Software Communities (TSE)

Abstract: We draw on the concept of episodic volunteering (EV) from the general volunteering literature to identify practices for managing EV in free/libre/open source software (FLOSS) communities. Infrequent but ongoing participation is widespread, but the practices that community managers are usi...

GI AK Microservices and DevOps on March 09-10, 2020, in Berlin

We visited the 7th meeting of the AK Microservices and DevOps on March 9-10th in Berlin. IVU Traffic Technologies hosted the event. On the schedule were topics like the journey of Zalando towards microservices, how microservices fit into the context of enterprise applications, how DDD can be us...

Research Paper: Challenges of Tracking and Documenting Open Source Dependencies in Products: A Case Study (OSS 2020)

Abstract: Software vendors need to manage the dependencies of the open source components used in their products. Without this management, license compliance would be impossible, export restrictions could not be maintained, and security vulnerabilities would remain unknown to the vendor. The managem...

Research Paper: The Ecosystem of openKONSEQUENZ, a User-Led Open Source Foundation (OSS 2020)

Abstract: Companies without expertise in software development can opt to form consortia to develop open source software to meet their needs, as an alternative to the build-or-buy decision. Such user-led foundations are little understood, due to a limited number of published examples. In particular,...

Learning from Silicon Valley’s Commercial Open Source Firms

BaCaTeC is sponsoring the development of a grant proposal about commercial open source. The abstract of the grant development grant is: Commercial open source firms are companies that go-to-market by open sourcing the product they develop. The best known old example is MySQL, sold to Sun (later ...

Research Paper: The JDownloader Immune System for Continuous Deployment (HICSS 53)

Abstract: Continuous deployment can reduce the time from a source code change to a newly deployed application significantly. Increased innovation speed can make all the difference in a competitive market situation. However, deploying at high frequency requires high speeds of discovering bugs in the...