@inproceedings{a644ccdd28724741860422280dc198ea,
  title     = "Visualizing the Evolution of Systems and their Library Dependencies",
  abstract  = "System maintainers face several challenges stemming from a system and its library dependencies evolving separately. Novice maintainers may lack the historical knowledge required to efficiently manage an inherited system. While some libraries are regularly updated, some systems keep a dependency on older versions. On the other hand, maintainers may be unaware that other systems have settled on a different version of a library. In this paper, we visualize how the dependency relation between a system and its dependencies evolves from two perspectives. Our system-centric dependency plots (SDP) visualize the successive library versions a system depends on over time. The radial layout and heat-map metaphor provide visual clues about the change in dependencies along the system's release history. From this perspective, maintainers can navigate to a library-centric dependants diffusion plot (LDP). The LDP is a time-series visualization that shows the diffusion of users across the different versions of a library. We demonstrate on real-world systems how maintainers can benefit from our visualizations through four case scenarios.",
  keywords  = "software visualization, software libraries, software evolution",
  author    = "Kula, {Raula Gaikovina} and {De Roover}, Coen and Daniel German and Takashi Ishio and Katsuro Inoue",
  year      = "2014",
  language  = "English",
  isbn      = "978-1-4799-6150-4",
  pages     = "127--136",
  booktitle = "Proceedings of the 2nd IEEE Working Conference on Software Visualization (VISSOFT14)",
}

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