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The Profiles in Science digital library prioritizes long-term sustainability by using open formats and monitoring software. They replaced proprietary software with open-source alternatives, sharing lessons learned.

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Area of Science:

  • Digital Libraries
  • Archival Science
  • Information Science

Background:

  • The Profiles in Science digital library preserves historical scientific items.
  • It utilizes a database for metadata and software for management and access.
  • Sustainability and long-term survival are key design principles.

Purpose of the Study:

  • To describe the process and outcomes of replacing proprietary software with open-source alternatives in a digital library.
  • To share lessons learned regarding the challenges and benefits of this transition.
  • To inform future digital library development and maintenance strategies.

Main Methods:

  • Selection of standard, open digital file formats to enhance file sustainability.
  • Strategic use of proprietary software when open-source or in-house solutions were not feasible.
  • Continuous monitoring of software for obsolescence and replacement with in-house or open-source options.
  • Case study of replacing a core search engine and website architecture component with open-source software.

Main Results:

  • Digitized items have remained stable, while all software has been upgraded or replaced since 1998.
  • Technological changes, licensing costs, and product abandonment necessitated software replacements.
  • Transitioning to open-source software was successful for some components, like HTTP servers.
  • Replacing a complex, integrated search engine and website backbone presented unique challenges and learning opportunities.

Conclusions:

  • Prioritizing open formats and adaptable software is crucial for digital library sustainability.
  • Proactive monitoring and strategic replacement of proprietary software are essential.
  • The transition to open-source software offers benefits but requires careful planning and execution.
  • Lessons learned from replacing core infrastructure software provide valuable insights for digital preservation.