Triple

T21804476
Position Surface form Disambiguated ID Type / Status
Subject InterCity 125 E538314 entity
Predicate powerCarType P1776 FINISHED
Object Class 43 locomotive NE NERFINISHED

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 43 locomotive | Statement: [InterCity 125, powerCarType, Class 43 locomotive]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Class 43 locomotive
Context triple: [InterCity 125, powerCarType, Class 43 locomotive]
  • A. 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.
  • B. Class 86 locomotive
    The Class 86 locomotive is a British electric locomotive class introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes.
  • C. 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.
  • D. Class 91 locomotive
    The Class 91 locomotive is a high-speed electric locomotive used on Britain’s East Coast Main Line, designed for 140 mph operation and commonly paired with Mark 4 coaching stock.
  • E. Class 57 diesel locomotive
    The Class 57 diesel locomotive is a British mainline locomotive type, rebuilt from older Class 47s, widely used for both passenger and freight services including prestigious sleeper and charter trains.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Class 43 locomotive
Target entity description: The Class 43 locomotive is a British high-speed diesel-electric power car best known for operating in InterCity 125 train sets and once holding the world speed record for diesel traction.
  • A. 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.
  • B. Class 86 locomotive
    The Class 86 locomotive is a British electric locomotive class introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes.
  • C. 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.
  • D. Class 91 locomotive
    The Class 91 locomotive is a high-speed electric locomotive used on Britain’s East Coast Main Line, designed for 140 mph operation and commonly paired with Mark 4 coaching stock.
  • E. Class 57 diesel locomotive
    The Class 57 diesel locomotive is a British mainline locomotive type, rebuilt from older Class 47s, widely used for both passenger and freight services including prestigious sleeper and charter trains.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: powerCarType
Context triple: [InterCity 125, powerCarType, Class 43 locomotive]
  • A. vehicleType chosen
    Indicates the specific kind or category of vehicle associated with an entity (e.g., car, bus, bicycle).
  • B. poweredVehicleFamily
    Indicates that one vehicle is part of a family or group of vehicles that share a common powered (motorized) design or platform.
  • C. carModel
    Indicates the specific model designation of a car within a particular make or brand.
  • D. vehicleFamily
    Indicates that two vehicles belong to the same family or category based on shared design, platform, or lineage.
  • E. vehicleTypeFocus
    Indicates that the relationship or action specifically concerns or emphasizes a particular type or category of vehicle.
  • F. None of above.

Provenance (3 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_69e0c4733f4081909a86622e7e6d15d2 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69f07801fa8081909098d00947bf8f7f completed April 28, 2026, 9:04 a.m.
PD Predicate disambiguation batch_69e6be751ce881909badced245ef76c7 completed April 21, 2026, 12:01 a.m.
Created at: April 16, 2026, 6:53 p.m.