Triple
T12887525
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Toshihiko Izutsu |
E308266
|
entity |
| Predicate | employer |
P7
|
FINISHED |
| Object | Keio University |
E60504
|
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: Keio University | Statement: [Toshihiko Izutsu, employer, Keio University]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keio University Context triple: [Toshihiko Izutsu, employer, Keio University]
-
A.
Keio University
chosen
Keio University is a prestigious private research university in Tokyo, Japan, known as the country’s oldest modern institution of higher education and a leading center for academics and innovation.
-
B.
Hosei University
Hosei University is a major private university in Tokyo, Japan, known for its law, business, and social sciences programs and its role in educating many prominent political and business leaders.
-
C.
Nihon University
Nihon University is one of Japan’s largest and most prominent private universities, known for its wide range of academic programs and extensive alumni network in fields such as arts, law, and engineering.
-
D.
Waseda University
Waseda University is a prestigious private research university in Tokyo, Japan, known for its strong programs in the humanities, social sciences, and political studies and for producing many prominent political and business leaders.
-
E.
Chuo University
Chuo University is a major private research university in Tokyo, Japan, known for its prestigious law school and comprehensive range of academic programs.
- 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_69d7bdf7c1f0819098102569a8d8cbf5 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d9714415c08190aa9944b494a3ddad |
completed | April 10, 2026, 9:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a091380428c8190b0535d3100e3c9a6 |
completed | May 17, 2026, 1:01 a.m. |
Created at: April 9, 2026, 5:39 p.m.