Triple
T11807499
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pullman sleeping car |
E280785
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object |
Pullman Company railcar fleet
The Pullman Company railcar fleet was a renowned collection of luxury passenger railcars, especially sleeping cars, that set the standard for comfortable long-distance train travel in the United States during the late 19th and early 20th centuries.
|
E947343
|
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: Pullman Company railcar fleet | Statement: [Pullman sleeping car, partOf, Pullman Company railcar fleet]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pullman Company railcar fleet Context triple: [Pullman sleeping car, partOf, Pullman Company railcar fleet]
-
A.
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.
-
B.
Pullman Works
Pullman Works was a major railcar manufacturing and repair facility historically associated with the Pullman Company in Chicago, Illinois.
-
C.
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.
-
D.
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.
-
E.
Budd Company stainless-steel passenger cars
Budd Company stainless-steel passenger cars were streamlined, corrosion-resistant railroad coaches widely used in mid-20th-century North American passenger service and known for their distinctive fluted metal exteriors.
- 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: Pullman Company railcar fleet Triple: [Pullman sleeping car, partOf, Pullman Company railcar fleet]
Generated description
The Pullman Company railcar fleet was a renowned collection of luxury passenger railcars, especially sleeping cars, that set the standard for comfortable long-distance train travel in the United States during the late 19th and early 20th centuries.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pullman Company railcar fleet Target entity description: The Pullman Company railcar fleet was a renowned collection of luxury passenger railcars, especially sleeping cars, that set the standard for comfortable long-distance train travel in the United States during the late 19th and early 20th centuries.
-
A.
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.
-
B.
Pullman Works
Pullman Works was a major railcar manufacturing and repair facility historically associated with the Pullman Company in Chicago, Illinois.
-
C.
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.
-
D.
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.
-
E.
Budd Company stainless-steel passenger cars
Budd Company stainless-steel passenger cars were streamlined, corrosion-resistant railroad coaches widely used in mid-20th-century North American passenger service and known for their distinctive fluted metal exteriors.
- 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_69d6ab26aae88190b2489efcb2a24234 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d8a5c93a1881909b428bf3ed55bb57 |
completed | April 10, 2026, 7:24 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f131726ab08190ae777bee3ac6df43 |
completed | April 28, 2026, 10:15 p.m. |
| NEDg | Description generation | batch_69f141b1c50c819081a8055d951a49de |
completed | April 28, 2026, 11:24 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f14fcb63208190ad1185ad66314fa9 |
completed | April 29, 2026, 12:24 a.m. |
Created at: April 8, 2026, 9:42 p.m.