Co-authorship neighborhood
D. Hattori's displayed neighborhood
7 of 7 direct collaborators shown.
Scroll the diagram horizontally to inspect every displayed node.
Ordered author table
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| Display order | Author | Role | Distinct papers | Unique collaborators | Weighted degree | Active span |
|---|---|---|---|---|---|---|
| 1 | D. Hattori | Focal | 1 | 7 | 7.0 | 2026 |
| 2 | Issa Sugiura | Direct collaborator | 1 | 7 | 7.0 | 2026 |
| 3 | Kazuo Araragi | Direct collaborator | 1 | 7 | 7.0 | 2026 |
| 4 | Keita Ogawa | Direct collaborator | 1 | 7 | 7.0 | 2026 |
| 5 | Shota Onose | Direct collaborator | 1 | 7 | 7.0 | 2026 |
| 6 | Takashi Ishida | Direct collaborator | 1 | 7 | 7.0 | 2026 |
| 7 | Taro Makino | Direct collaborator | 1 | 7 | 7.0 | 2026 |
| 8 | Teppei Usuki | Direct collaborator | 1 | 7 | 7.0 | 2026 |
Displayed collaboration table
Scroll the table horizontally to see every column.
| Author pair | Shared papers | Full weight | Fractional weight |
|---|---|---|---|
| D. Hattori — Teppei Usuki | 1 | 1 | 0.143 |
| D. Hattori — Kazuo Araragi | 1 | 1 | 0.143 |
| D. Hattori — Takashi Ishida | 1 | 1 | 0.143 |
| D. Hattori — Shota Onose | 1 | 1 | 0.143 |
| D. Hattori — Taro Makino | 1 | 1 | 0.143 |
| D. Hattori — Issa Sugiura | 1 | 1 | 0.143 |
| D. Hattori — Keita Ogawa | 1 | 1 | 0.143 |
| Teppei Usuki — Kazuo Araragi | 1 | 1 | 0.143 |
| Teppei Usuki — Takashi Ishida | 1 | 1 | 0.143 |
| Teppei Usuki — Shota Onose | 1 | 1 | 0.143 |
| Teppei Usuki — Taro Makino | 1 | 1 | 0.143 |
| Teppei Usuki — Issa Sugiura | 1 | 1 | 0.143 |
| Teppei Usuki — Keita Ogawa | 1 | 1 | 0.143 |
| Kazuo Araragi — Takashi Ishida | 1 | 1 | 0.143 |
| Kazuo Araragi — Shota Onose | 1 | 1 | 0.143 |
| Kazuo Araragi — Taro Makino | 1 | 1 | 0.143 |
| Kazuo Araragi — Issa Sugiura | 1 | 1 | 0.143 |
| Kazuo Araragi — Keita Ogawa | 1 | 1 | 0.143 |
| Takashi Ishida — Shota Onose | 1 | 1 | 0.143 |
| Takashi Ishida — Taro Makino | 1 | 1 | 0.143 |
| Takashi Ishida — Issa Sugiura | 1 | 1 | 0.143 |
| Takashi Ishida — Keita Ogawa | 1 | 1 | 0.143 |
| Shota Onose — Taro Makino | 1 | 1 | 0.143 |
| Shota Onose — Issa Sugiura | 1 | 1 | 0.143 |
| Shota Onose — Keita Ogawa | 1 | 1 | 0.143 |
| Taro Makino — Issa Sugiura | 1 | 1 | 0.143 |
| Taro Makino — Keita Ogawa | 1 | 1 | 0.143 |
| Issa Sugiura — Keita Ogawa | 1 | 1 | 0.143 |
Graph construction and limits
Each distinct paper contributes an undirected pair for every two eligible identities in its deduplicated latest Semantic Scholar 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.