Triple
T17444839
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | QLine |
E424753
|
entity |
| Predicate | hasRollingStockSupplier |
P19147
|
FINISHED |
| Object | Brookville Equipment Corporation |
—
|
NE NERFINISHED |
How this triple was built (4 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: Brookville Equipment Corporation | Statement: [QLine, hasRollingStockSupplier, Brookville Equipment Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Brookville Equipment Corporation Context triple: [QLine, hasRollingStockSupplier, Brookville Equipment Corporation]
-
A.
Westinghouse Amrail Company
Westinghouse Amrail Company was a railcar manufacturing firm known for producing New York City’s R68 subway cars.
-
B.
Westinghouse Air Brake Company
Westinghouse Air Brake Company was an American industrial firm founded by George Westinghouse, best known for pioneering railway air brake technology that greatly improved train safety and efficiency.
-
C.
Rogers Locomotive Works
Rogers Locomotive Works was a prominent 19th-century American manufacturer of steam locomotives that became part of the American Locomotive Company through consolidation.
-
D.
Baldwin Locomotive Works
Baldwin Locomotive Works was a major American manufacturer of steam, diesel, and electric locomotives that played a central role in the development of railroad transportation in the 19th and early 20th centuries.
-
E.
Locomotive Works
Locomotive Works is the section of the Derby railway works dedicated to the construction, maintenance, and repair of railway locomotives.
- 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: Brookville Equipment Corporation Target entity description: Brookville Equipment Corporation is an American manufacturer specializing in custom rail and mining locomotives, streetcars, and other specialized rail vehicles.
-
A.
Westinghouse Amrail Company
Westinghouse Amrail Company was a railcar manufacturing firm known for producing New York City’s R68 subway cars.
-
B.
Westinghouse Air Brake Company
Westinghouse Air Brake Company was an American industrial firm founded by George Westinghouse, best known for pioneering railway air brake technology that greatly improved train safety and efficiency.
-
C.
Rogers Locomotive Works
Rogers Locomotive Works was a prominent 19th-century American manufacturer of steam locomotives that became part of the American Locomotive Company through consolidation.
-
D.
Baldwin Locomotive Works
Baldwin Locomotive Works was a major American manufacturer of steam, diesel, and electric locomotives that played a central role in the development of railroad transportation in the 19th and early 20th centuries.
-
E.
Locomotive Works
Locomotive Works is the section of the Derby railway works dedicated to the construction, maintenance, and repair of railway locomotives.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasRollingStockSupplier Context triple: [QLine, hasRollingStockSupplier, Brookville Equipment Corporation]
-
A.
rollingStockSupplier
chosen
Indicates that one entity supplies or provides rolling stock (such as railway vehicles) to another entity.
-
B.
hasRollingStockOrigin
Indicates that a piece of rolling stock originates from, or was initially based in, a particular location or source.
-
C.
rollingStockManufacturer
Indicates that one entity is the company or organization that manufactures the rolling stock (rail vehicles) used or owned by another entity.
-
D.
servesRollingStockOwner
Indicates that one entity provides services or functions in support of the owner of a piece of rolling stock (e.g., rail vehicles).
-
E.
usesRollingStockOwner
Indicates that one entity operates or employs rolling stock (such as trains or rail vehicles) that is owned by another entity.
- F. None of above.
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_69d889db0ba481908402409af3b37917 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e44ffa2d84819086474649eba1065c |
completed | April 19, 2026, 3:46 a.m. |
| PD | Predicate disambiguation | batch_69e3b4f0e3fc819094e466b74622c956 |
completed | April 18, 2026, 4:44 p.m. |
Created at: April 10, 2026, 5:47 a.m.