Triple
T5777042
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro 7000 series |
E127468
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object | Tokyu Car Corporation |
E547262
|
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: Tokyu Car Corporation | Statement: [Tokyo Metro 7000 series, manufacturer, Tokyu Car Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyu Car Corporation Context triple: [Tokyo Metro 7000 series, manufacturer, Tokyu Car Corporation]
-
A.
Tokyu Car Corporation
chosen
Tokyu Car Corporation was a Japanese rolling stock manufacturer known for producing a wide range of electric multiple units, commuter trains, and other railway vehicles for domestic and international operators.
-
B.
Jitsuyo Jidosha Co.
Jitsuyo Jidosha Co. was an early Japanese automobile manufacturer known for producing small commercial vehicles and contributing to the foundations of Japan’s domestic motor industry.
-
C.
Tokyu Corporation
Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
-
D.
Toyota Industries Corporation
Toyota Industries Corporation is a Japanese manufacturing company best known for producing industrial vehicles, textile machinery, and automotive components as a core member of the Toyota Group.
-
E.
Toyota Boshoku Corporation
Toyota Boshoku Corporation is a major Japanese automotive parts manufacturer best known for producing interior components and seats, primarily for Toyota and other automakers 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_69c008361fa88190aefa4dc41b051e7f |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c029dfccdc8190bed937f493e42aed |
completed | March 22, 2026, 5:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0bfa363208190aac75f028fb7a630 |
completed | March 23, 2026, 4:20 a.m. |
Created at: March 22, 2026, 3:50 p.m.