Triple

T2077501
Position Surface form Disambiguated ID Type / Status
Subject Matthias N. Forney E44958 entity
Predicate designed P184 FINISHED
Object 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.
E230656 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: Forney locomotive | Statement: [Matthias N. Forney, designed, Forney locomotive]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Forney locomotive
Context triple: [Matthias N. Forney, designed, Forney locomotive]
  • 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. Locomotive Works
    Locomotive Works is the section of the Derby railway works dedicated to the construction, maintenance, and repair of railway locomotives.
  • C. Southern Pacific Cab Forward locomotive
    The Southern Pacific Cab Forward locomotive is a distinctive class of steam engines with the cab placed at the front for crew safety, famously used by the Southern Pacific Railroad to haul trains through long, smoky mountain tunnels and snow sheds in the American West.
  • D. Pullman-Standard
    Pullman-Standard was a major American railcar manufacturer known for producing a wide range of passenger and freight cars throughout the 20th century.
  • E. Union Pacific No. 119
    Union Pacific No. 119 was the steam locomotive that represented the Union Pacific Railroad at the 1869 Golden Spike ceremony marking the completion of the First Transcontinental Railroad.
  • 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: Forney locomotive
Triple: [Matthias N. Forney, designed, Forney locomotive]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Forney locomotive
Target entity description: 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.
  • 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. Locomotive Works
    Locomotive Works is the section of the Derby railway works dedicated to the construction, maintenance, and repair of railway locomotives.
  • C. Southern Pacific Cab Forward locomotive
    The Southern Pacific Cab Forward locomotive is a distinctive class of steam engines with the cab placed at the front for crew safety, famously used by the Southern Pacific Railroad to haul trains through long, smoky mountain tunnels and snow sheds in the American West.
  • D. Pullman-Standard
    Pullman-Standard was a major American railcar manufacturer known for producing a wide range of passenger and freight cars throughout the 20th century.
  • E. Union Pacific No. 119
    Union Pacific No. 119 was the steam locomotive that represented the Union Pacific Railroad at the 1869 Golden Spike ceremony marking the completion of the First Transcontinental Railroad.
  • 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_69a88916c2b48190a5ca2e9b12cad3ed completed March 4, 2026, 7:33 p.m.
NER Named-entity recognition batch_69abba2fa9c48190958826d5226544df completed March 7, 2026, 5:39 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae2734a0688190a43c9687af48d06d completed March 9, 2026, 1:49 a.m.
NEDg Description generation batch_69ae28155ec8819097741dcfd3d81110 completed March 9, 2026, 1:53 a.m.
NED2 Entity disambiguation (via description) batch_69ae2889503c8190bc72e786c656edf3 completed March 9, 2026, 1:55 a.m.
Created at: March 4, 2026, 7:41 p.m.