Triple
T22430659
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nippon Sharyo |
E554488
|
entity |
| Predicate | notableProduct |
P1448
|
FINISHED |
| Object | Caltrain 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: Caltrain gallery cars | Statement: [Nippon Sharyo, notableProduct, Caltrain gallery cars]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Caltrain gallery cars Context triple: [Nippon Sharyo, notableProduct, Caltrain gallery cars]
-
A.
Caltrain at Millbrae station
Caltrain at Millbrae station is a commuter rail service stop in Millbrae, California, providing regional rail connections along the San Francisco Peninsula and linking with local transit systems.
-
B.
Caltrain stations
Caltrain stations are commuter rail stops along the San Francisco Peninsula and South Bay that serve as key transit hubs connecting cities between San Francisco and Gilroy.
-
C.
BART A/2 cars
BART A/2 cars are an early-generation series of electric multiple unit railcars used on the San Francisco Bay Area Rapid Transit system.
-
D.
San Carlos Caltrain station
San Carlos Caltrain station is a commuter rail station on the Caltrain line serving the city of San Carlos in San Mateo County, California.
-
E.
Surfliner cars
Surfliner cars are bi-level passenger railcars used primarily on Amtrak’s Pacific Surfliner and related corridor services in California, designed for high-capacity, comfortable intercity travel.
- 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: Caltrain gallery cars Target entity description: Caltrain gallery cars are bi-level commuter rail passenger coaches used by Caltrain in the San Francisco Bay Area, designed to increase capacity and speed boarding on its regional rail services.
-
A.
Caltrain at Millbrae station
Caltrain at Millbrae station is a commuter rail service stop in Millbrae, California, providing regional rail connections along the San Francisco Peninsula and linking with local transit systems.
-
B.
Caltrain stations
Caltrain stations are commuter rail stops along the San Francisco Peninsula and South Bay that serve as key transit hubs connecting cities between San Francisco and Gilroy.
-
C.
BART A/2 cars
BART A/2 cars are an early-generation series of electric multiple unit railcars used on the San Francisco Bay Area Rapid Transit system.
-
D.
San Carlos Caltrain station
San Carlos Caltrain station is a commuter rail station on the Caltrain line serving the city of San Carlos in San Mateo County, California.
-
E.
Surfliner cars
Surfliner cars are bi-level passenger railcars used primarily on Amtrak’s Pacific Surfliner and related corridor services in California, designed for high-capacity, comfortable intercity travel.
- 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.