Triple

T5083221
Position Surface form Disambiguated ID Type / Status
Subject Chicago, Burlington and Quincy Railroad E114572 entity
Predicate usedRollingStock P5426 FINISHED
Object 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.
 E492687 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: Budd Company stainless-steel passenger cars | Statement: [Chicago, Burlington and Quincy Railroad, usedRollingStock, Budd Company stainless-steel passenger cars]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Budd Company stainless-steel passenger cars
Context triple: [Chicago, Burlington and Quincy Railroad, usedRollingStock, Budd Company stainless-steel passenger cars]
  • 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. 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.
  • C. PA-3 railcars
    The PA-3 railcars are a series of electric multiple-unit subway cars used on the PATCO Speedline rapid transit system serving the Philadelphia–Camden region.
  • D. PA-2 railcars
    The PA-2 railcars are a 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. 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.
  • 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: Budd Company stainless-steel passenger cars
Triple: [Chicago, Burlington and Quincy Railroad, usedRollingStock, Budd Company stainless-steel passenger cars]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Budd Company stainless-steel passenger cars
Target entity description: 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.
  • 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. 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.
  • C. PA-3 railcars
    The PA-3 railcars are a series of electric multiple-unit subway cars used on the PATCO Speedline rapid transit system serving the Philadelphia–Camden region.
  • D. PA-2 railcars
    The PA-2 railcars are a 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. 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.
  • 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_69bd443dbf908190a9401e9c2dc7bd7d completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd7517af308190bab5507a9344bf68 completed March 20, 2026, 4:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69beb135912c81909dd32d21b604e1b1 completed March 21, 2026, 2:54 p.m.
NEDg Description generation batch_69beb3ea65b081908efa86e273f50da9 completed March 21, 2026, 3:06 p.m.
NED2 Entity disambiguation (via description) batch_69beb44cd56c81909faf4c6485169315 completed March 21, 2026, 3:07 p.m.
Created at: March 20, 2026, 1:39 p.m.