Triple

T13301489
Position Surface form Disambiguated ID Type / Status
Subject NI Railways E316821 entity
Predicate operatorOf P179 FINISHED
Object Northern Ireland railway network E400040 NE FINISHED

How this triple was built (2 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: Northern Ireland railway network | Statement: [NI Railways, operatorOf, Northern Ireland railway network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northern Ireland railway network
Context triple: [NI Railways, operatorOf, Northern Ireland railway network]
  • A. Northern Ireland railways chosen
    Northern Ireland railways comprise the network of passenger and freight railway lines operating within Northern Ireland, historically distinct from the rest of the UK system and now primarily managed by Translink’s NI Railways.
  • B. Belfast–Dublin railway line
    The Belfast–Dublin railway line is a major intercity rail corridor linking the capitals of Northern Ireland and the Republic of Ireland, serving key towns and cities along the east coast.
  • C. Belfast suburban rail system
    The Belfast suburban rail system is a commuter rail network serving the Greater Belfast area, connecting the city with its surrounding suburbs and key destinations.
  • D. Belfast–Coleraine rail service
    The Belfast–Coleraine rail service is a Northern Ireland Railways passenger route linking Belfast with the north coast town of Coleraine, serving intermediate stations such as Ballymena.
  • E. Belfast–Portrush rail service
    The Belfast–Portrush rail service is a passenger train route in Northern Ireland that connects Belfast with the coastal resort town of Portrush, serving several intermediate towns along the way.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69d806b40ab4819094adf6c374f4811a completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d990a43ed88190a8dbbbd7d6d62dc4 completed April 11, 2026, 12:07 a.m.
NED1 Entity disambiguation (via context triple) batch_69f71f262fd88190ba8871f8761a660b completed May 3, 2026, 10:10 a.m.
Created at: April 9, 2026, 9:28 p.m.