Triple

T5130891
Position Surface form Disambiguated ID Type / Status
Subject Lima Locomotive Works E115695 entity
Predicate notableProduct P1448 FINISHED
Object Shay locomotive
The Shay locomotive is a geared steam locomotive design, widely used on logging and industrial railroads for its exceptional low-speed power and ability to handle steep grades and sharp curves.
E496204 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: Shay locomotive | Statement: [Lima Locomotive Works, notableProduct, Shay locomotive]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Shay locomotive
Context triple: [Lima Locomotive Works, notableProduct, Shay locomotive]
  • A. 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.
  • B. Lion steam locomotive
    The Lion steam locomotive is a preserved early 19th-century British steam engine famed for its role in the Liverpool and Manchester Railway and as one of the oldest surviving working locomotives.
  • C. USRA Light Mountain 4-8-2
    The USRA Light Mountain 4-8-2 was a standardized World War I–era American steam locomotive design used by multiple railroads for mixed-traffic service under the United States Railroad Administration.
  • D. 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.
  • E. Adler (locomotive)
    Adler was Germany’s first successful steam locomotive, built in Britain and famously used to haul trains on the pioneering Nuremberg–Fürth railway in the 1830s.
  • 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: Shay locomotive
Triple: [Lima Locomotive Works, notableProduct, Shay locomotive]
Generated description
The Shay locomotive is a geared steam locomotive design, widely used on logging and industrial railroads for its exceptional low-speed power and ability to handle steep grades and sharp curves.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Shay locomotive
Target entity description: The Shay locomotive is a geared steam locomotive design, widely used on logging and industrial railroads for its exceptional low-speed power and ability to handle steep grades and sharp curves.
  • A. 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.
  • B. Lion steam locomotive
    The Lion steam locomotive is a preserved early 19th-century British steam engine famed for its role in the Liverpool and Manchester Railway and as one of the oldest surviving working locomotives.
  • C. USRA Light Mountain 4-8-2
    The USRA Light Mountain 4-8-2 was a standardized World War I–era American steam locomotive design used by multiple railroads for mixed-traffic service under the United States Railroad Administration.
  • D. 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.
  • E. Adler (locomotive)
    Adler was Germany’s first successful steam locomotive, built in Britain and famously used to haul trains on the pioneering Nuremberg–Fürth railway in the 1830s.
  • 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_69bd444426bc819099ccd23f141e22aa completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd782904788190b544540483915c0e completed March 20, 2026, 4:39 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.
Created at: March 20, 2026, 1:42 p.m.