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Processes constrain developer freedom and impact software development cost. They can increase costs from only a few cents to almost 1000 USD per line of code. But they can also benefit the maintainability, dependability and safety of critical software. If failure risk costs are high, then the application of more expensive processes can actually reduce costs. Therefore it is important to understand...
The DLR Space Administration designs and implements the German space program. While project management rests with the agency, suppliers are contracted for building the space devices and their software. As opposed to many other domains, these are often unique devices with uncommon and custom‐built peripherals. Its software is specifically developed for a single mission only and controls critical functionality...
Contribution to a corporate wiki for the purpose of knowledge transfer can be very low because of continuously pressing tasks, a chronic lack of spare time, and motivational reasons. This is a problem because the wiki fails to achieve its purpose of collecting valuable knowledge, and becomes less attractive through this over time. We present a reputation-based system that socially rewards employees...
The internal quality of software is often neglected by developers for various reasons like time pressure or a general dislike for certain activities. Yet internal quality is important to speed up development and to keep software maintainable. We present a way to use reputation systems to improve the internal quality of software by putting artifacts like wiki articles and source code under their control...
There is a problem with documentation and architectural design in agile projects. This is the result of interviews we have conducted with 37 software engineering experts from industry and academia. In our paper, we analyze the interview results and the origins of the revealed issues. We propose ways to integrate software design methodologies into agile development, and reputation mechanism to solve...
The HYDRA project develops middleware for networked embedded systems that allows developers to create ambient intelligence applications based on wireless devices and sensors. Through its unique combination of Service-oriented Architecture (SoA) and a semantic-based Model Driven Architecture, HYDRA will enable the development of generic services based on open standards. A smart home application is...
In this paper, we present a novel smart home system integrating energy efficiency features. The smart home application is built on top of Hydra, a middleware framework that facilitates the intelligent communication of heterogeneous embedded devices through an overlay P2P network. We interconnect common devices available in private households and integrate wireless power metering plugs to gain access...
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