Co-authorship neighborhood
Jürjens, Jan's displayed neighborhood
6 of 6 direct collaborators shown.
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Ordered author table
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| Display order | Author | Role | Distinct papers | Unique collaborators | Weighted degree | Active span |
|---|---|---|---|---|---|---|
| 1 | Jürjens, Jan | Focal | 1 | 6 | 6.0 | 2026 |
| 2 | Etzkorn, Manuel | Direct collaborator | 1 | 6 | 6.0 | 2026 |
| 3 | Fettke, Peter | Direct collaborator | 1 | 6 | 6.0 | 2026 |
| 4 | Gieß, Anna | Direct collaborator | 1 | 6 | 6.0 | 2026 |
| 5 | Lovrekovic, Josip | Direct collaborator | 1 | 6 | 6.0 | 2026 |
| 6 | Tavakoligargari, Masoumeh | Direct collaborator | 1 | 6 | 6.0 | 2026 |
| 7 | von Korflesch, Harald F. O. | Direct collaborator | 1 | 6 | 6.0 | 2026 |
Displayed collaboration table
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| Author pair | Shared papers | Full weight | Fractional weight |
|---|---|---|---|
| Jürjens, Jan — Fettke, Peter | 1 | 1 | 0.167 |
| Jürjens, Jan — Etzkorn, Manuel | 1 | 1 | 0.167 |
| Jürjens, Jan — Gieß, Anna | 1 | 1 | 0.167 |
| Jürjens, Jan — Lovrekovic, Josip | 1 | 1 | 0.167 |
| Jürjens, Jan — von Korflesch, Harald F. O. | 1 | 1 | 0.167 |
| Jürjens, Jan — Tavakoligargari, Masoumeh | 1 | 1 | 0.167 |
| Fettke, Peter — Etzkorn, Manuel | 1 | 1 | 0.167 |
| Fettke, Peter — Gieß, Anna | 1 | 1 | 0.167 |
| Fettke, Peter — Lovrekovic, Josip | 1 | 1 | 0.167 |
| Fettke, Peter — von Korflesch, Harald F. O. | 1 | 1 | 0.167 |
| Fettke, Peter — Tavakoligargari, Masoumeh | 1 | 1 | 0.167 |
| Etzkorn, Manuel — Gieß, Anna | 1 | 1 | 0.167 |
| Etzkorn, Manuel — Lovrekovic, Josip | 1 | 1 | 0.167 |
| Etzkorn, Manuel — von Korflesch, Harald F. O. | 1 | 1 | 0.167 |
| Etzkorn, Manuel — Tavakoligargari, Masoumeh | 1 | 1 | 0.167 |
| Gieß, Anna — Lovrekovic, Josip | 1 | 1 | 0.167 |
| Gieß, Anna — von Korflesch, Harald F. O. | 1 | 1 | 0.167 |
| Gieß, Anna — Tavakoligargari, Masoumeh | 1 | 1 | 0.167 |
| Lovrekovic, Josip — von Korflesch, Harald F. O. | 1 | 1 | 0.167 |
| Lovrekovic, Josip — Tavakoligargari, Masoumeh | 1 | 1 | 0.167 |
| von Korflesch, Harald F. O. — Tavakoligargari, Masoumeh | 1 | 1 | 0.167 |
Graph construction and limits
Each distinct paper contributes an undirected pair for every two eligible identities in its deduplicated latest OpenAlex author list. Self-loops are removed. Solo papers count toward an author's paper total but create no edge. The selected display is an ego subgraph. Paper, collaborator, weighted-degree, and active-span metrics for every displayed node use the full filtered provider view; component size describes the focal author's component.
Immutable provider payloads are stored once. A separate receipt log records a later delivery of an earlier payload, so roster reversions remain visible. Exact duplicate receipts are idempotent. Equal timestamps use receipt insertion order as the tie-breaker.
Co-authorship records shared paper attribution only. It does not establish contribution size, research quality, influence, friendship, topic similarity, or citation relationships.