Triple
T21228474
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PS-2 covered hopper |
E523142
|
entity |
| Predicate | builder |
P3143
|
FINISHED |
| Object | Pullman-Standard Car Manufacturing Company |
—
|
NE NERFINISHED |
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: Pullman-Standard Car Manufacturing Company | Statement: [PS-2 covered hopper, builder, Pullman-Standard Car Manufacturing Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pullman-Standard Car Manufacturing Company Context triple: [PS-2 covered hopper, builder, Pullman-Standard Car Manufacturing Company]
-
A.
Pullman Incorporated
Pullman Incorporated was a major American railcar manufacturing and services company best known for producing and operating passenger and sleeping cars across the United States.
-
B.
Westinghouse Amrail Company
Westinghouse Amrail Company was a railcar manufacturing firm known for producing New York City’s R68 subway cars.
-
C.
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.
-
D.
Union Tank Car Company
Union Tank Car Company is a North American railcar leasing and maintenance company specializing in tank cars for transporting liquid and gaseous commodities.
-
E.
Pullman Palace Car Company
chosen
Pullman Palace Car Company was a prominent 19th-century American manufacturer and operator of luxury railroad sleeping cars, best known for its role in the landmark Pullman Strike of 1894.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0b512ad94819087942b2ed925185f |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e734ad5068819088b203eeba4e6380 |
completed | April 21, 2026, 8:26 a.m. |
Created at: April 16, 2026, 3:44 p.m.