Triple
T4561529
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | USRA standard steam locomotive designs |
E121801
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object |
USRA 4-8-2 light dual‑service design
The USRA 4-8-2 light dual‑service design was a standardized World War I–era American steam locomotive type intended to handle both passenger and freight duties efficiently for multiple railroads.
|
E121801
|
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: USRA 4-8-2 light dual‑service design | Statement: [USRA standard steam locomotive designs, hasPart, USRA 4-8-2 light dual‑service design]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: USRA 4-8-2 light dual‑service design Context triple: [USRA standard steam locomotive designs, hasPart, USRA 4-8-2 light dual‑service design]
-
A.
USRA Light Mikado 2-8-2 locomotive design
The USRA Light Mikado 2-8-2 locomotive design was a widely adopted standard World War I–era American steam freight locomotive, known for its balanced power, efficiency, and influence on subsequent 2-8-2 designs.
-
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.
Atchison Topeka and Santa Fe 4-8-4 locomotive
The Atchison, Topeka and Santa Fe 4-8-4 locomotive is a powerful steam engine from the famed Santa Fe Railway, known for hauling high-speed passenger and heavy freight trains across the American West in the mid-20th century.
-
D.
USRA standard freight car designs
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.
-
E.
Forney locomotive
The Forney locomotive is a compact 19th-century steam tank locomotive type, notable for its rigid wheelbase and rear-mounted fuel and water tanks, widely used on urban elevated and commuter railways.
- 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: USRA 4-8-2 light dual‑service design Triple: [USRA standard steam locomotive designs, hasPart, USRA 4-8-2 light dual‑service design]
Generated description
The USRA 4-8-2 light dual‑service design was a standardized World War I–era American steam locomotive type intended to handle both passenger and freight duties efficiently for multiple railroads.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: USRA 4-8-2 light dual‑service design Target entity description: The USRA 4-8-2 light dual‑service design was a standardized World War I–era American steam locomotive type intended to handle both passenger and freight duties efficiently for multiple railroads.
-
A.
USRA Light Mikado 2-8-2 locomotive design
The USRA Light Mikado 2-8-2 locomotive design was a widely adopted standard World War I–era American steam freight locomotive, known for its balanced power, efficiency, and influence on subsequent 2-8-2 designs.
-
B.
USRA standard steam locomotive designs
chosen
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.
Atchison Topeka and Santa Fe 4-8-4 locomotive
The Atchison, Topeka and Santa Fe 4-8-4 locomotive is a powerful steam engine from the famed Santa Fe Railway, known for hauling high-speed passenger and heavy freight trains across the American West in the mid-20th century.
-
D.
USRA standard freight car designs
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.
-
E.
Forney locomotive
The Forney locomotive is a compact 19th-century steam tank locomotive type, notable for its rigid wheelbase and rear-mounted fuel and water tanks, widely used on urban elevated and commuter railways.
- F. None of above.
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_69bd463f156881908a99aca69c5721ac |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd582d98fc8190a760dbb5f20c775d |
completed | March 20, 2026, 2:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bdc59b2514819091f3845307cb1c8b |
completed | March 20, 2026, 10:09 p.m. |
| NEDg | Description generation | batch_69bdc66a981c8190a472722af45ce023 |
completed | March 20, 2026, 10:12 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bdc6de076081909d2ad276cc7a1141 |
completed | March 20, 2026, 10:14 p.m. |
Created at: March 20, 2026, 1:09 p.m.