JOSSCast: Open Source for Researchers

Humans Think in Graphy Ways – Naomi Arnold and Ben Steer on Raphtory

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#13: Naomi Arnold and Ben Steer join Arfon and Abby to discuss their work on Raphtory, THE temporal graph engine for Rust and Python. Other topics include: pomegranates are the graphiest fruit, tracking ship to ship trading, and funding for open source projects through the Tools, Practices and Systems program at the Alan Turing Institute.

Naomi is a Postdoctoral Research Associate at Northeastern University London. Ben is the CTO and Co-founder of Pometry.

You can follow Naomi on Twitter/X @narnolddd. You can follow Ben on Twitter/X @Raphtory, raphtory.com, and pometry.com.


Episode Highlights:

  • [00:00] - Introduction to Open Source for Researchers
  • [00:19] - Meet the Guests: Naomi Arnold and Ben Steer
  • [01:49] - Understanding Temporal Graphs with Raphtory
  • [04:40] - The Origin Story of Raphtory
  • [08:05] - Naming and Evolution of Raphtory and Pometry
  • [12:47] - Raphtory's Applications and Use Cases
  • [19:00] - Transition from Scala to Rust
  • [24:47] - Open Source Journey and Contributions
  • [35:01] - Conclusion and Final Thoughts

    • Links:

    • JOSS paper: https://joss.theoj.org/papers/10.21105/joss.05940
    • Raphtory repository: https://github.com/Pometry/Raphtory
    • Naomi on Twitter/X: https://twitter.com/narnolddd
    • Raphtory on Twitter/X https://twitter.com/raphtory
    • Raphtory website: https://www.raphtory.com/
    • Pometry website: https://www.pometry.com/
    • The Journal of Open Source Software (Twitter/X, blog)
    • @arfon on (fosstodon, Linkedin, GitHub, website)
    • @abbycabs on (Twitter/X, hachyderm, bsky, Linkedin, GitHub, website)
    • Donate to JOSS

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      Supercharge your research with the latest scientific software showcased in the Journal of Open Source Software (JOSS). Hear directly from authors on their work, their motivations, and new ways open source software can accelerate your work.


      Hosted by editor-in-chief Arfon Smith and founding editor Abby Cabunoc Mayes, each episode features an interview with different authors of published papers in JOSS. Tune in to learn about the latest developments in research software engineering and open science, and how they are changing the way research is conducted.


      New episodes every other Thursday.

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      JOSSCast: Open Source for ResearchersBy The Journal of Open Source Software