Triple

T10112357
Position Surface form Disambiguated ID Type / Status
Subject Belfast–Derry railway line E218269 entity
Predicate linksTo P845 FINISHED
Object Belfast–Bangor railway line at Belfast E314315 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: Belfast–Bangor railway line at Belfast | Statement: [Belfast–Derry railway line, linksTo, Belfast–Bangor railway line at Belfast]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Belfast–Bangor railway line at Belfast
Context triple: [Belfast–Derry railway line, linksTo, Belfast–Bangor railway line at Belfast]
  • A. Belfast–Derry railway line
    The Belfast–Derry railway line is a key Northern Ireland Railways route connecting Belfast with the city of Derry/Londonderry through several intermediate towns.
  • B. Belfast–Bangor line chosen
    The Belfast–Bangor line is a key suburban railway route in Northern Ireland connecting the city of Belfast with the coastal town of Bangor.
  • C. 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.
  • D. Ballymena, Cushendall and Red Bay Railway
    The Ballymena, Cushendall and Red Bay Railway was a narrow-gauge railway line in County Antrim, Northern Ireland, serving rural communities along the Antrim coast and inland from Ballymena.
  • E. 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.
  • 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_69ca83da93fc8190b54e44bc2b34857c completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cdd15d1fd081908c6f6b021e3999da completed April 2, 2026, 2:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69d2cc20ff4481909cdd916e92eda2f6 completed April 5, 2026, 8:54 p.m.
Created at: March 30, 2026, 9:03 p.m.