Triple

T16470262
Position Surface form Disambiguated ID Type / Status
Subject Northern Ireland railways E400040 entity
Predicate hasRollingStockClass P5426 FINISHED
Object Class 3000 DMU E1027072 NE FINISHED

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: Class 3000 DMU | Statement: [Northern Ireland railways, hasRollingStockClass, Class 3000 DMU]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Class 3000 DMU
Context triple: [Northern Ireland railways, hasRollingStockClass, Class 3000 DMU]
  • A. Class 3000 DMU chosen
    The Class 3000 DMU is a fleet of modern diesel multiple-unit passenger trains operated by Northern Ireland Railways, primarily used on regional and suburban services.
  • B. Class 4000 DMU
    The Class 4000 DMU is a modern diesel multiple unit train operated by Northern Ireland Railways for passenger services, particularly on routes around Belfast.
  • C. Class 170 diesel multiple unit
    The Class 170 diesel multiple unit is a British Turbostar family regional train used extensively for passenger services across the UK rail network.
  • D. Class 377 electric multiple unit
    The Class 377 electric multiple unit is a modern British Electrostar commuter train widely used on suburban and regional services in the south of England.
  • E. Class 150 diesel multiple unit
    The Class 150 diesel multiple unit is a British two- or three-car regional passenger train introduced in the 1980s and widely used on local and suburban services across the UK rail network.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasRollingStockClass
Context triple: [Northern Ireland railways, hasRollingStockClass, Class 3000 DMU]
  • A. operatedRollingStockClass
    Indicates that an entity (such as a company or operator) has operated a specific class or type of rolling stock (e.g., trains or rail vehicles).
  • B. usesRollingStock chosen
    Indicates that one entity employs or operates specific rolling stock (such as rail vehicles) in its activities or services.
  • C. ownedRollingStock
    Indicates that one entity possesses or has ownership rights over specific rolling stock (such as trains, railcars, or locomotives).
  • D. hasRollingStockFeature
    Indicates that a piece of rolling stock possesses a specific feature, characteristic, or equipment.
  • E. usesRollingStockCompatibleWith
    Indicates that one entity operates using rolling stock that is technically and operationally compatible with the rolling stock standards or systems associated with another entity.
  • F. None of above.

Provenance (4 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_69d87f2dac988190b74d6e185fa88ba4 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e32dcfed6c8190b8dbe4b65b0ab817 completed April 18, 2026, 7:08 a.m.
NED1 Entity disambiguation (via context triple) batch_6a004f5af4308190bd023624de35027f completed May 10, 2026, 9:26 a.m.
PD Predicate disambiguation batch_69e22706b0588190a48a951c5211a617 completed April 17, 2026, 12:26 p.m.
Created at: April 10, 2026, 5:11 a.m.