Triple

T5828481
Position Surface form Disambiguated ID Type / Status
Subject Arriva Trains Wales E129286 entity
Predicate operatedRollingStockClass P67417 FINISHED
Object Class 67 locomotive
The Class 67 locomotive is a type of high-speed diesel-electric locomotive used on the British railway network for both passenger and freight services.
E548753 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: Class 67 locomotive | Statement: [Arriva Trains Wales, operatedRollingStockClass, Class 67 locomotive]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Class 67 locomotive
Context triple: [Arriva Trains Wales, operatedRollingStockClass, Class 67 locomotive]
  • A. Class 68 locomotive
    The Class 68 locomotive is a modern British diesel-electric locomotive used for passenger and freight services, known for its high performance, reliability, and distinctive angular design.
  • B. DE30AC locomotive
    The DE30AC locomotive is a diesel-electric passenger locomotive built by EMD for the Long Island Rail Road, designed for push-pull commuter service with head-end power.
  • C. ACS-64 locomotives
    ACS-64 locomotives are modern electric locomotives built by Siemens for Amtrak, designed for high-speed passenger service on the electrified portions of the U.S. Northeast Corridor.
  • D. GG1 electric locomotive
    The GG1 electric locomotive was a streamlined, high-speed electric locomotive class that became an iconic workhorse of American railroading, particularly in the Northeast corridor, during much of the 20th century.
  • E. EMD GP7 locomotive
    The EMD GP7 locomotive is a widely used four-axle diesel-electric road switcher introduced in the late 1940s that helped usher in the transition from steam to diesel power on North American railroads.
  • 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: Class 67 locomotive
Triple: [Arriva Trains Wales, operatedRollingStockClass, Class 67 locomotive]
Generated description
The Class 67 locomotive is a type of high-speed diesel-electric locomotive used on the British railway network for both passenger and freight services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Class 67 locomotive
Target entity description: The Class 67 locomotive is a type of high-speed diesel-electric locomotive used on the British railway network for both passenger and freight services.
  • A. Class 68 locomotive
    The Class 68 locomotive is a modern British diesel-electric locomotive used for passenger and freight services, known for its high performance, reliability, and distinctive angular design.
  • B. DE30AC locomotive
    The DE30AC locomotive is a diesel-electric passenger locomotive built by EMD for the Long Island Rail Road, designed for push-pull commuter service with head-end power.
  • C. ACS-64 locomotives
    ACS-64 locomotives are modern electric locomotives built by Siemens for Amtrak, designed for high-speed passenger service on the electrified portions of the U.S. Northeast Corridor.
  • D. GG1 electric locomotive
    The GG1 electric locomotive was a streamlined, high-speed electric locomotive class that became an iconic workhorse of American railroading, particularly in the Northeast corridor, during much of the 20th century.
  • E. EMD GP7 locomotive
    The EMD GP7 locomotive is a widely used four-axle diesel-electric road switcher introduced in the late 1940s that helped usher in the transition from steam to diesel power on North American railroads.
  • 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_69c00849d55481908b4f9f5543e0bf6d completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c049fbc57481908299d1955692c76b completed March 22, 2026, 7:58 p.m.
NED1 Entity disambiguation (via context triple) batch_69c09863be3c8190bba357bf64e22917 completed March 23, 2026, 1:33 a.m.
NEDg Description generation batch_69c098d936d081909d930fc8b6b3fd67 completed March 23, 2026, 1:35 a.m.
NED2 Entity disambiguation (via description) batch_69c09947c5fc8190ba279ed0f991f9a9 completed March 23, 2026, 1:37 a.m.
Created at: March 22, 2026, 3:53 p.m.