Triple

T5130911
Position Surface form Disambiguated ID Type / Status
Subject Lima Locomotive Works E115695 entity
Predicate notableClass P62791 FINISHED
Object Nickel Plate Road 2-8-4 Berkshires
The Nickel Plate Road 2-8-4 Berkshires were powerful high-speed steam freight locomotives famed for their role in hauling fast freight trains across the Nickel Plate Road in the mid-20th century.
E496208 NE FINISHED

How this triple was built (5 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: Nickel Plate Road 2-8-4 Berkshires | Statement: [Lima Locomotive Works, notableClass, Nickel Plate Road 2-8-4 Berkshires]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nickel Plate Road 2-8-4 Berkshires
Context triple: [Lima Locomotive Works, notableClass, Nickel Plate Road 2-8-4 Berkshires]
  • A. 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.
  • B. USRA Heavy Mikado 2-8-2
    The USRA Heavy Mikado 2-8-2 was a standardized World War I–era American steam freight locomotive design known for its robust construction, high tractive effort, and widespread use across multiple railroads.
  • C. USRA Heavy Mountain 4-8-2
    The USRA Heavy Mountain 4-8-2 was a standardized World War I–era American steam locomotive design built for heavy passenger and fast freight service, featuring a 4-8-2 wheel arrangement and robust construction for demanding mainline duties.
  • D. USRA Light Mikado 2-8-2
    The USRA Light Mikado 2-8-2 was a widely used World War I–era American freight steam locomotive type designed for balanced performance and standardized construction across multiple railroads.
  • E. USRA 2-6-6-2 articulated locomotive
    The USRA 2-6-6-2 articulated locomotive was a standardized World War I–era American steam freight engine featuring a Mallet-type articulated wheel arrangement designed for heavy, slow freight service on steep grades and curving track.
  • 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: Nickel Plate Road 2-8-4 Berkshires
Triple: [Lima Locomotive Works, notableClass, Nickel Plate Road 2-8-4 Berkshires]
Generated description
The Nickel Plate Road 2-8-4 Berkshires were powerful high-speed steam freight locomotives famed for their role in hauling fast freight trains across the Nickel Plate Road in the mid-20th century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nickel Plate Road 2-8-4 Berkshires
Target entity description: The Nickel Plate Road 2-8-4 Berkshires were powerful high-speed steam freight locomotives famed for their role in hauling fast freight trains across the Nickel Plate Road in the mid-20th century.
  • A. 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.
  • B. USRA Heavy Mikado 2-8-2
    The USRA Heavy Mikado 2-8-2 was a standardized World War I–era American steam freight locomotive design known for its robust construction, high tractive effort, and widespread use across multiple railroads.
  • C. USRA Heavy Mountain 4-8-2
    The USRA Heavy Mountain 4-8-2 was a standardized World War I–era American steam locomotive design built for heavy passenger and fast freight service, featuring a 4-8-2 wheel arrangement and robust construction for demanding mainline duties.
  • D. USRA Light Mikado 2-8-2
    The USRA Light Mikado 2-8-2 was a widely used World War I–era American freight steam locomotive type designed for balanced performance and standardized construction across multiple railroads.
  • E. USRA 2-6-6-2 articulated locomotive
    The USRA 2-6-6-2 articulated locomotive was a standardized World War I–era American steam freight engine featuring a Mallet-type articulated wheel arrangement designed for heavy, slow freight service on steep grades and curving track.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: notableClass
Context triple: [Lima Locomotive Works, notableClass, Nickel Plate Road 2-8-4 Berkshires]
  • A. notableElement
    Indicates that an entity has a component, feature, or part that is especially significant, prominent, or noteworthy in relation to it.
  • B. notableCategory
    Indicates that an entity is recognized as notable or significant within a particular category or classification.
  • C. notableFor
    Indicates that an entity is especially recognized or distinguished for a particular quality, achievement, characteristic, or role.
  • D. notableBase
    Indicates that a particular location serves as a significant or distinguished base or headquarters for an entity.
  • E. notableDuring
    Indicates that something was especially prominent, active, or significant during a particular time period or event.
  • F. None of above. chosen

Provenance (7 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_69bd444426bc819099ccd23f141e22aa completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd7fef2e8c8190982dd67f50295ada completed March 20, 2026, 5:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69bec4c626a48190b2fd81b88b5a59cc completed March 21, 2026, 4:18 p.m.
NEDg Description generation batch_69bec6728eac81908b795a7ce55f40b2 completed March 21, 2026, 4:25 p.m.
NED2 Entity disambiguation (via description) batch_69bec7895aac81908dd6388c05abb75e completed March 21, 2026, 4:30 p.m.
PD Predicate disambiguation batch_69bd77ac2fc48190abeebb003a82384c completed March 20, 2026, 4:37 p.m.
PDg Predicate description generation batch_69bd7fee42748190967013828973cce0 completed March 20, 2026, 5:12 p.m.
Created at: March 20, 2026, 1:42 p.m.