Triple
T18520906
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | USRA caboose design |
E452579
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | USRA standard freight car program |
—
|
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: USRA standard freight car program | Statement: [USRA caboose design, partOf, USRA standard freight car program]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: USRA standard freight car program Context triple: [USRA caboose design, partOf, USRA standard freight car program]
-
A.
USRA standard freight car designs
chosen
USRA standard freight car designs were a series of standardized freight car types created during World War I to simplify and unify railroad equipment across U.S. railroads.
-
B.
USRA standard steam locomotive designs
USRA standard steam locomotive designs were a series of standardized steam locomotive types created during World War I to simplify and unify locomotive production and maintenance across U.S. railroads.
-
C.
USRA caboose design
The USRA caboose design was a standardized railroad caboose model developed under the United States Railroad Administration during World War I to unify and streamline freight train operations across multiple American railroads.
-
D.
PA-1 railcars
The PA-1 railcars are an early generation of electric multiple-unit subway cars built for and operated on the PATCO Speedline rapid transit system serving the Philadelphia–South Jersey region.
-
E.
USRA standard gondola car design
The USRA standard gondola car design was a widely adopted, government-developed freight car blueprint from World War I that standardized open-top railcars for hauling bulk commodities across multiple American railroads.
- 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_69d8d386df84819092355ebb260d848e |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e5338db5e4819086503a2176dfe499 |
completed | April 19, 2026, 7:57 p.m. |
Created at: April 10, 2026, 11:37 a.m.