~/talk

The Company You Keep: Mapping Scientific Collaboration with Graphs

Talkat NODES 2025 · on Thursday, 2025-11-06· [data-visualization]
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slides:none on file

Built a co-authorship graph from Scopus data (2000–2025) for authors with at least one UNICAMP affiliation, modeling author, document, institution nodes plus a helper node and collapsing to an author-only network with edges for shared papers. Used Neo4j and a Python Scopus wrapper (pybliometrics), ran community detection, assigned communities to institutions by majority, then did per-author citation time-series with linear regressions before/after first external collaboration. Result is surprising: the control group outperformed experimental—no clear citation boost after first external collaboration—bachelor thesis received grade 10.

AI-written summary · about

  1. 0:00Introduction
  2. 1:14Choosing the thesis topic
  3. 2:40Data extraction with Scopus
  4. 3:46Graph data model explained
  5. 5:53Building author collaboration graph
  6. 6:58Community detection in graphs
  7. 7:40Defining external collaboration
  8. 8:42Quantitative analysis approach
  9. 10:09Experimental and control groups
  10. 10:51Unexpected results and insights
  11. 12:15Thesis outcome and conclusion
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