Triple

T22236554
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 139 E549607 entity
Predicate manufacturer P490 FINISHED
Object Motor Rail Ltd — NE NERFINISHED

How this triple was built (3 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: Motor Rail Ltd | Statement: [British Rail Class 139, manufacturer, Motor Rail Ltd]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Motor Rail Ltd
Context triple: [British Rail Class 139, manufacturer, Motor Rail Ltd]
  • A. Progress Rail Services Corporation
    Progress Rail Services Corporation is a major North American provider of railroad and transit products and services, including locomotive and railcar manufacturing, maintenance, and repair, and is a subsidiary of Caterpillar Inc.
  • B. Rolling Stock Company
    Rolling Stock Company is the Kawasaki Heavy Industries division responsible for designing and manufacturing railway vehicles and related transportation systems.
  • C. Cisdneper Railways
    Cisdneper Railways was a regional railway administration in the former Soviet Union that managed rail transport infrastructure in the Dnieper River area, including what later became the Crimean Railway network.
  • D. SRT Electrified Train Company Limited
    SRT Electrified Train Company Limited is a subsidiary of Thailand’s national railway operator responsible for operating and managing electrified urban rail services, notably in the Bangkok metropolitan area.
  • E. Mass Transit Railway Corporation
    Mass Transit Railway Corporation was the original government-owned operator of Hong Kong’s urban rail network before its reorganization into the MTR Corporation.
  • 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: Motor Rail Ltd
Target entity description: Motor Rail Ltd is a British engineering company known for designing and building lightweight rail vehicles, including the Class 139 railcars used on branch line services.
  • A. Progress Rail Services Corporation
    Progress Rail Services Corporation is a major North American provider of railroad and transit products and services, including locomotive and railcar manufacturing, maintenance, and repair, and is a subsidiary of Caterpillar Inc.
  • B. Rolling Stock Company
    Rolling Stock Company is the Kawasaki Heavy Industries division responsible for designing and manufacturing railway vehicles and related transportation systems.
  • C. Cisdneper Railways
    Cisdneper Railways was a regional railway administration in the former Soviet Union that managed rail transport infrastructure in the Dnieper River area, including what later became the Crimean Railway network.
  • D. SRT Electrified Train Company Limited
    SRT Electrified Train Company Limited is a subsidiary of Thailand’s national railway operator responsible for operating and managing electrified urban rail services, notably in the Bangkok metropolitan area.
  • E. Mass Transit Railway Corporation
    Mass Transit Railway Corporation was the original government-owned operator of Hong Kong’s urban rail network before its reorganization into the MTR Corporation.
  • F. None of above. chosen

Provenance (2 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_69e11e4102b881909cf47d3768e25c19 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f12bf7b1d8819091087dcfdb2e967c completed April 28, 2026, 9:51 p.m.
Created at: April 16, 2026, 8:38 p.m.