Triple
T4016650
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tetsu Katayama |
E90776
|
entity |
| Predicate | educatedAt |
P5
|
FINISHED |
| Object | Tokyo Imperial University |
E5563
|
NE FINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Tokyo Imperial University | Statement: [Tetsu Katayama, educatedAt, Tokyo Imperial University]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyo Imperial University Context triple: [Tetsu Katayama, educatedAt, Tokyo Imperial University]
-
A.
Keijo Imperial University
Keijo Imperial University was a Japanese imperial university established in colonial Korea that served as a major center for higher education and research under Japanese rule.
-
B.
Osaka Imperial University
Osaka Imperial University was a major pre-World War II Japanese national university and research institution, particularly noted for its contributions to science and engineering.
-
C.
Tokyo Daigaku
Tokyo Daigaku, commonly known as the University of Tokyo, is Japan’s most prestigious national research university and a leading institution in higher education and scholarship in Asia.
-
D.
Imperial Academy of Japan
The Imperial Academy of Japan was an elite scholarly institution that served as the country’s preeminent body for academic recognition and scientific and cultural advancement before evolving into the Japan Academy.
-
E.
University of Tokyo
chosen
The University of Tokyo is Japan’s most prestigious and oldest national research university, renowned for its leading role in higher education, science, and public policy in Japan and worldwide.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69aed95e44088190aff7d90a151b1b20 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aefaa85ac881909e46fb3d76a794af |
completed | March 9, 2026, 4:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8ac74f44c8190953e486d3a315a64 |
completed | March 29, 2026, 4:37 a.m. |
Created at: March 9, 2026, 3:35 p.m.