Triple

T7273245
Position Surface form Disambiguated ID Type / Status
Subject Durbin and Greenbrier Valley Railroad E161156 entity
Predicate notableLocomotive P1669 FINISHED
Object Climax geared steam locomotive on the Durbin Rocket
The Climax geared steam locomotive on the Durbin Rocket is a historic, gear-driven logging engine preserved in tourist service on West Virginia’s Durbin & Greenbrier Valley Railroad.
E653645 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: Climax geared steam locomotive on the Durbin Rocket | Statement: [Durbin and Greenbrier Valley Railroad, notableLocomotive, Climax geared steam locomotive on the Durbin Rocket]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Climax geared steam locomotive on the Durbin Rocket
Context triple: [Durbin and Greenbrier Valley Railroad, notableLocomotive, Climax geared steam locomotive on the Durbin Rocket]
  • A. 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.
  • B. 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.
  • C. Super Power steam locomotive
    The Super Power steam locomotive was an advanced, high-capacity steam engine design that significantly improved speed and efficiency in American railroading during the early 20th century.
  • D. LMS Turbomotive (experimental turbine locomotive)
    LMS Turbomotive was an experimental British steam turbine locomotive built for the London, Midland and Scottish Railway in the 1930s as an innovative alternative to conventional piston-driven steam engines.
  • E. 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.
  • 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: Climax geared steam locomotive on the Durbin Rocket
Triple: [Durbin and Greenbrier Valley Railroad, notableLocomotive, Climax geared steam locomotive on the Durbin Rocket]
Generated description
The Climax geared steam locomotive on the Durbin Rocket is a historic, gear-driven logging engine preserved in tourist service on West Virginia’s Durbin & Greenbrier Valley Railroad.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Climax geared steam locomotive on the Durbin Rocket
Target entity description: The Climax geared steam locomotive on the Durbin Rocket is a historic, gear-driven logging engine preserved in tourist service on West Virginia’s Durbin & Greenbrier Valley Railroad.
  • A. 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.
  • B. 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.
  • C. Super Power steam locomotive
    The Super Power steam locomotive was an advanced, high-capacity steam engine design that significantly improved speed and efficiency in American railroading during the early 20th century.
  • D. LMS Turbomotive (experimental turbine locomotive)
    LMS Turbomotive was an experimental British steam turbine locomotive built for the London, Midland and Scottish Railway in the 1930s as an innovative alternative to conventional piston-driven steam engines.
  • E. 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.
  • 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_69c6885181008190b419040e22939c7c completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6eb0c68d0819081b2aebba19bf3e8 completed March 27, 2026, 8:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7db2936dc8190aed38888bb5e47b8 completed March 28, 2026, 1:44 p.m.
NEDg Description generation batch_69c7df512bac81909e7c413302afd4ea completed March 28, 2026, 2:01 p.m.
NED2 Entity disambiguation (via description) batch_69c7dfcdc3908190a7e5bf653b87ed00 completed March 28, 2026, 2:03 p.m.
Created at: March 27, 2026, 2:58 p.m.