Triple
T20903320
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tōzai Line |
E514726
|
entity |
| Predicate | hasRollingStock |
P1305
|
FINISHED |
| Object | Kyoto Municipal Subway 50 series |
—
|
NE NERFINISHED |
How this triple was built (3 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: Kyoto Municipal Subway 50 series | Statement: [Tōzai Line, hasRollingStock, Kyoto Municipal Subway 50 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kyoto Municipal Subway 50 series Context triple: [Tōzai Line, hasRollingStock, Kyoto Municipal Subway 50 series]
-
A.
Kyoto Municipal Subway 10 series
The Kyoto Municipal Subway 10 series is a fleet of electric multiple unit trains operated on Kyoto’s Karasuma Line, known for their stainless-steel bodies and use in urban rapid transit service.
-
B.
Kyoto Municipal Subway 20 series
The Kyoto Municipal Subway 20 series is a type of electric multiple unit train used on Kyoto’s subway system, known for its modern design and operation on the Karasuma Line.
-
C.
Osaka Metro 25 series
The Osaka Metro 25 series is a type of electric multiple unit train used for passenger services on Osaka’s subway network.
-
D.
Tokyo Metro 10000 series
The Tokyo Metro 10000 series is a fleet of modern electric multiple unit trains operated by Tokyo Metro, known for serving through-services on several interconnected subway and private railway lines in the Tokyo area.
-
E.
Tokyo Metro 18000 series
The Tokyo Metro 18000 series is a modern electric multiple unit train operated by Tokyo Metro, designed for through-services on lines such as the Hanzomon Line and connecting suburban routes.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kyoto Municipal Subway 50 series Target entity description: The Kyoto Municipal Subway 50 series is a type of electric multiple unit train operated on Kyoto’s municipal subway system, specifically designed for service on the Tōzai Line.
-
A.
Kyoto Municipal Subway 10 series
The Kyoto Municipal Subway 10 series is a fleet of electric multiple unit trains operated on Kyoto’s Karasuma Line, known for their stainless-steel bodies and use in urban rapid transit service.
-
B.
Kyoto Municipal Subway 20 series
The Kyoto Municipal Subway 20 series is a type of electric multiple unit train used on Kyoto’s subway system, known for its modern design and operation on the Karasuma Line.
-
C.
Osaka Metro 25 series
The Osaka Metro 25 series is a type of electric multiple unit train used for passenger services on Osaka’s subway network.
-
D.
Tokyo Metro 10000 series
The Tokyo Metro 10000 series is a fleet of modern electric multiple unit trains operated by Tokyo Metro, known for serving through-services on several interconnected subway and private railway lines in the Tokyo area.
-
E.
Tokyo Metro 18000 series
The Tokyo Metro 18000 series is a modern electric multiple unit train operated by Tokyo Metro, designed for through-services on lines such as the Hanzomon Line and connecting suburban routes.
- F. None of above. chosen
Provenance (2 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_69e0b4f8a1108190bce3d31331290ced |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6e8fe4b808190bbc1bbde7a11f283 |
completed | April 21, 2026, 3:03 a.m. |
Created at: April 16, 2026, 12:47 p.m.