Triple
T4085098
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | R68 subway car |
E87570
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object |
Westinghouse Amrail Company
Westinghouse Amrail Company was a railcar manufacturing firm known for producing New York City’s R68 subway cars.
|
E410188
|
NE FINISHED |
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: Westinghouse Amrail Company | Statement: [R68 subway car, manufacturer, Westinghouse Amrail Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Westinghouse Amrail Company Context triple: [R68 subway car, manufacturer, Westinghouse Amrail Company]
-
A.
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.
-
B.
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.
-
C.
Pittsburgh Locomotive and Car Works
Pittsburgh Locomotive and Car Works was a prominent 19th-century American manufacturer of steam locomotives and railroad cars that later became part of the American Locomotive Company.
-
D.
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.
-
E.
J.G. Brill Company
J.G. Brill Company was a prominent American manufacturer of streetcars and other railway vehicles that played a major role in early urban transit development.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Westinghouse Amrail Company Triple: [R68 subway car, manufacturer, Westinghouse Amrail Company]
Generated description
Westinghouse Amrail Company was a railcar manufacturing firm known for producing New York City’s R68 subway cars.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Westinghouse Amrail Company Target entity description: Westinghouse Amrail Company was a railcar manufacturing firm known for producing New York City’s R68 subway cars.
-
A.
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.
-
B.
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.
-
C.
Pittsburgh Locomotive and Car Works
Pittsburgh Locomotive and Car Works was a prominent 19th-century American manufacturer of steam locomotives and railroad cars that later became part of the American Locomotive Company.
-
D.
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.
-
E.
J.G. Brill Company
J.G. Brill Company was a prominent American manufacturer of streetcars and other railway vehicles that played a major role in early urban transit development.
- F. None of above. chosen
Provenance (5 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_69aed9435cf48190ad1da737c962d19d |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aefc7b7cc4819089cfbf2b1c23ccc5 |
completed | March 9, 2026, 4:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b562c9760c8190a9292eb1cea55ab2 |
completed | March 14, 2026, 1:29 p.m. |
| NEDg | Description generation | batch_69b563b6b9a48190a7b271fd6873e59f |
completed | March 14, 2026, 1:33 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5641e09d08190bf83c9a730e1bf34 |
completed | March 14, 2026, 1:35 p.m. |
Created at: March 9, 2026, 3:39 p.m.