Triple
T6479157
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | R44 subway cars |
E146145
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object | St. Louis Car Company |
E315080
|
NE FINISHED |
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: St. Louis Car Company | Statement: [R44 subway cars, manufacturer, St. Louis Car Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: St. Louis Car Company Context triple: [R44 subway cars, manufacturer, St. Louis Car Company]
-
A.
St. Louis Car Company
chosen
St. Louis Car Company was a prominent American rolling stock manufacturer known for producing streetcars, interurban cars, and railroad equipment throughout the late 19th and 20th centuries.
-
B.
Hudson Motor Car Company
Hudson Motor Car Company was an early 20th-century American automobile manufacturer best known for its innovative car designs and as one of the key predecessors to American Motors Corporation.
-
C.
Studebaker Corporation
Studebaker Corporation was a historic American automobile manufacturer, originally a wagon maker, best known for its innovative car designs produced through the mid-20th century.
-
D.
REO Motor Car Company
REO Motor Car Company was an early 20th-century American automobile and truck manufacturer known for vehicles like the REO Speed Wagon and for helping establish the U.S. automotive industry.
-
E.
Pullman Palace Car Company
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 (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_69c008fec7408190af7b146dc63d9750 |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c06a4e764c819086828bb841f588e0 |
completed | March 22, 2026, 10:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c653aa82808190a1e9d420e81d7839 |
completed | March 27, 2026, 9:53 a.m. |
Created at: March 22, 2026, 4:51 p.m.