Triple
T6433650
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro 10000 series |
E129838
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object | Nippon Sharyo |
E554488
|
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: Nippon Sharyo | Statement: [Tokyo Metro 10000 series, manufacturer, Nippon Sharyo]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nippon Sharyo Context triple: [Tokyo Metro 10000 series, manufacturer, Nippon Sharyo]
-
A.
Nippon Sharyo
chosen
Nippon Sharyo is a Japanese rolling stock manufacturer known for producing railway vehicles for domestic operators and international markets.
-
B.
Tokyu Car Corporation
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.
-
C.
Kinki Sharyo
Kinki Sharyo is a Japanese manufacturer specializing in the design and production of railway vehicles, including metro and light rail trains used in systems worldwide.
-
D.
Sanyo Electric Railway
Sanyo Electric Railway is a Japanese private railway company operating commuter rail services primarily in Hyōgo Prefecture, including routes that interconnect with other major regional rail networks.
-
E.
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.
- 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_69c0084caac48190a7bc2ad8ba44536f |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c0693f73ec8190883470b57f8141aa |
completed | March 22, 2026, 10:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c640efd490819084b3b67b3b0680b6 |
completed | March 27, 2026, 8:33 a.m. |
Created at: March 22, 2026, 4:45 p.m.