Triple
T1022843
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | United States Railroad Administration |
E22076
|
entity |
| Predicate | introducedDesign |
P513
|
FINISHED |
| Object |
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.
|
E121802
|
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 standard freight car designs | Statement: [United States Railroad Administration, introducedDesign, USRA standard freight car designs]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: USRA standard freight car designs Context triple: [United States Railroad Administration, introducedDesign, USRA standard freight car designs]
-
A.
Union Pacific inspection cars
Union Pacific inspection cars are specially outfitted railroad cars used by the Union Pacific Railroad to carry officials and inspectors for track, infrastructure, and operational evaluations along the rail network.
-
B.
Union Pacific dome cars
Union Pacific dome cars were distinctive passenger railcars featuring elevated glass-enclosed viewing domes that offered panoramic scenery on Union Pacific’s long-distance trains.
-
C.
Union Pacific lounge cars
Union Pacific lounge cars were specialized passenger railcars designed to provide comfortable seating, social spaces, and premium amenities on Union Pacific’s long-distance trains.
-
D.
Union Pacific sleeper cars
Union Pacific sleeper cars are long-distance passenger railcars equipped with private sleeping accommodations that were used on Union Pacific Railroad’s premier intercity trains.
-
E.
American Association of Railroads wheel arrangement classification system
The American Association of Railroads wheel arrangement classification system is a standardized notation used in North America to describe the configuration and number of axles and wheels on locomotives and rail vehicles.
- 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 standard freight car designs Triple: [United States Railroad Administration, introducedDesign, USRA standard freight car designs]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: USRA standard freight car designs Target entity description: 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.
-
A.
Union Pacific inspection cars
Union Pacific inspection cars are specially outfitted railroad cars used by the Union Pacific Railroad to carry officials and inspectors for track, infrastructure, and operational evaluations along the rail network.
-
B.
Union Pacific dome cars
Union Pacific dome cars were distinctive passenger railcars featuring elevated glass-enclosed viewing domes that offered panoramic scenery on Union Pacific’s long-distance trains.
-
C.
Union Pacific lounge cars
Union Pacific lounge cars were specialized passenger railcars designed to provide comfortable seating, social spaces, and premium amenities on Union Pacific’s long-distance trains.
-
D.
Union Pacific sleeper cars
Union Pacific sleeper cars are long-distance passenger railcars equipped with private sleeping accommodations that were used on Union Pacific Railroad’s premier intercity trains.
-
E.
American Association of Railroads wheel arrangement classification system
The American Association of Railroads wheel arrangement classification system is a standardized notation used in North America to describe the configuration and number of axles and wheels on locomotives and rail vehicles.
- 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_69a493d6e380819097b384986ffc315c |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4bb71e7f88190bf33bbe5ef2c68ff |
completed | March 1, 2026, 10:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac3bb63f14819098f5e32af3b98508 |
completed | March 7, 2026, 2:52 p.m. |
| NEDg | Description generation | batch_69ac3de4fbb88190855cf92af51fe70b |
completed | March 7, 2026, 3:01 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac3e45d9e88190bc88d037c00c3ecc |
completed | March 7, 2026, 3:03 p.m. |
Created at: March 1, 2026, 7:41 p.m.