Triple

T4561523
Position Surface form Disambiguated ID Type / Status
Subject USRA standard steam locomotive designs E121801 entity
Predicate hasPart P35 FINISHED
Object USRA 0-6-0 switcher
The USRA 0-6-0 switcher was a standardized American steam locomotive type designed for yard and switching duties under the United States Railroad Administration during World War I.
E452575 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 0-6-0 switcher | Statement: [USRA standard steam locomotive designs, hasPart, USRA 0-6-0 switcher]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: USRA 0-6-0 switcher
Context triple: [USRA standard steam locomotive designs, hasPart, USRA 0-6-0 switcher]
  • A. 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.
  • B. WM Class I-2 2-10-0
    WM Class I-2 2-10-0 was a powerful Decapod-type steam locomotive class used by the Western Maryland Railway primarily for heavy freight service over steep grades.
  • C. Forney locomotive
    The Forney locomotive is a compact 19th-century steam tank locomotive type, notable for its rigid wheelbase and rear-mounted fuel and water tanks, widely used on urban elevated and commuter railways.
  • D. WM Class H-9 2-8-0
    The WM Class H-9 2-8-0 was a class of powerful Consolidation-type steam freight locomotives used by the Western Maryland Railway in the early to mid-20th century.
  • E. Norfolk and Western Class J
    The Norfolk and Western Class J was a famed series of streamlined 4-8-4 steam locomotives renowned for their power, efficiency, and elegant design, used primarily for high-speed passenger service in the mid-20th century United States.
  • 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 0-6-0 switcher
Triple: [USRA standard steam locomotive designs, hasPart, USRA 0-6-0 switcher]
Generated description
The USRA 0-6-0 switcher was a standardized American steam locomotive type designed for yard and switching duties under the United States Railroad Administration during World War I.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: USRA 0-6-0 switcher
Target entity description: The USRA 0-6-0 switcher was a standardized American steam locomotive type designed for yard and switching duties under the United States Railroad Administration during World War I.
  • A. 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.
  • B. WM Class I-2 2-10-0
    WM Class I-2 2-10-0 was a powerful Decapod-type steam locomotive class used by the Western Maryland Railway primarily for heavy freight service over steep grades.
  • C. Forney locomotive
    The Forney locomotive is a compact 19th-century steam tank locomotive type, notable for its rigid wheelbase and rear-mounted fuel and water tanks, widely used on urban elevated and commuter railways.
  • D. WM Class H-9 2-8-0
    The WM Class H-9 2-8-0 was a class of powerful Consolidation-type steam freight locomotives used by the Western Maryland Railway in the early to mid-20th century.
  • E. Norfolk and Western Class J
    The Norfolk and Western Class J was a famed series of streamlined 4-8-4 steam locomotives renowned for their power, efficiency, and elegant design, used primarily for high-speed passenger service in the mid-20th century United States.
  • 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_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.