Triple
T22430658
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nippon Sharyo |
E554488
|
entity |
| Predicate | notableProduct |
P1448
|
FINISHED |
| Object | Metra gallery cars |
—
|
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: Metra gallery cars | Statement: [Nippon Sharyo, notableProduct, Metra gallery cars]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metra gallery cars Context triple: [Nippon Sharyo, notableProduct, Metra gallery cars]
-
A.
Metrocars
Metrocars are the electric multiple unit trains specifically designed and used for passenger services on the Tyne and Wear Metro system in North East England.
-
B.
Metra standard signage
Metra standard signage is the uniform system of signs used across Metra commuter rail stations to provide consistent branding, wayfinding, and passenger information.
-
C.
Metra ticket office
The Metra ticket office is a staffed sales and customer service counter where passengers can purchase Metra train tickets and obtain travel information.
-
D.
Metra stations
Metra stations are passenger rail stops in the Chicago metropolitan area that serve as boarding and alighting points for the region’s commuter rail network.
-
E.
Los Angeles Metro light rail vehicles
Los Angeles Metro light rail vehicles are modern electric passenger trains that operate on Los Angeles County’s expanding light rail network, providing high-capacity urban transit across the region.
- 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: Metra gallery cars Target entity description: Metra gallery cars are bi-level commuter rail passenger coaches used by Chicago’s Metra system, designed to maximize seating capacity and efficient boarding on busy suburban routes.
-
A.
Metrocars
Metrocars are the electric multiple unit trains specifically designed and used for passenger services on the Tyne and Wear Metro system in North East England.
-
B.
Metra standard signage
Metra standard signage is the uniform system of signs used across Metra commuter rail stations to provide consistent branding, wayfinding, and passenger information.
-
C.
Metra ticket office
The Metra ticket office is a staffed sales and customer service counter where passengers can purchase Metra train tickets and obtain travel information.
-
D.
Metra stations
Metra stations are passenger rail stops in the Chicago metropolitan area that serve as boarding and alighting points for the region’s commuter rail network.
-
E.
Los Angeles Metro light rail vehicles
Los Angeles Metro light rail vehicles are modern electric passenger trains that operate on Los Angeles County’s expanding light rail network, providing high-capacity urban transit across the region.
- 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_69e11e4f2d0c819091aa3558ea2ee630 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f15a311b148190bdb752f3f067bb3f |
completed | April 29, 2026, 1:09 a.m. |
Created at: April 16, 2026, 8:47 p.m.