Triple
T4561528
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | USRA standard steam locomotive designs |
E121801
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object |
USRA 2-10-2 light freight design
The USRA 2-10-2 light freight design was a standardized World War I–era American steam locomotive type optimized for relatively lighter freight service with a 2-10-2 wheel arrangement.
|
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 2-10-2 light freight design | Statement: [USRA standard steam locomotive designs, hasPart, USRA 2-10-2 light freight design]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: USRA 2-10-2 light freight design Context triple: [USRA standard steam locomotive designs, hasPart, USRA 2-10-2 light freight design]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Standard Passenger Pacific of the PRR
The "Standard Passenger Pacific of the PRR" refers to the Pennsylvania Railroad’s K4s class, a highly successful and iconic 4-6-2 steam locomotive that became the railroad’s primary passenger engine in the early to mid-20th century.
- 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 2-10-2 light freight design Triple: [USRA standard steam locomotive designs, hasPart, USRA 2-10-2 light freight design]
Generated description
The USRA 2-10-2 light freight design was a standardized World War I–era American steam locomotive type optimized for relatively lighter freight service with a 2-10-2 wheel arrangement.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: USRA 2-10-2 light freight design Target entity description: The USRA 2-10-2 light freight design was a standardized World War I–era American steam locomotive type optimized for relatively lighter freight service with a 2-10-2 wheel arrangement.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Standard Passenger Pacific of the PRR
The "Standard Passenger Pacific of the PRR" refers to the Pennsylvania Railroad’s K4s class, a highly successful and iconic 4-6-2 steam locomotive that became the railroad’s primary passenger engine in the early to mid-20th century.
- 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.