Triple

T20626361
Position Surface form Disambiguated ID Type / Status
Subject Great Northern Railway (Ireland) E506827 entity
Predicate mainLine P24771 FINISHED
Object Portadown–Derry line 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: Portadown–Derry line | Statement: [Great Northern Railway (Ireland), mainLine, Portadown–Derry line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Portadown–Derry line
Context triple: [Great Northern Railway (Ireland), mainLine, Portadown–Derry line]
  • A. Belfast–Derry line
    The Belfast–Derry line is a major railway route in Northern Ireland linking Belfast with the city of Derry/Londonderry and serving numerous intermediate towns.
  • B. Belfast–Portadown line
    The Belfast–Portadown line is a key railway route in Northern Ireland connecting Belfast with the town of Portadown and forming part of the region’s main intercity and commuter rail network.
  • C. Portadown Line
    The Portadown Line is a key Northern Ireland Railways route connecting Belfast with Portadown, serving as an important commuter and regional rail corridor.
  • D. Belfast–Dublin corridor
    The Belfast–Dublin corridor is a major economic and transport axis linking Northern Ireland’s capital Belfast with Ireland’s capital Dublin, encompassing key urban and industrial areas along its route.
  • E. Irish border
    The Irish border is the international boundary separating Northern Ireland, which is part of the United Kingdom, from the Republic of Ireland, and has long been a focal point of political, social, and economic tensions on the island.
  • 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: Portadown–Derry line
Target entity description: The Portadown–Derry line was a key Irish railway route in Northern Ireland that connected the town of Portadown with the city of Derry, serving as an important regional transport link.
  • A. Belfast–Derry line
    The Belfast–Derry line is a major railway route in Northern Ireland linking Belfast with the city of Derry/Londonderry and serving numerous intermediate towns.
  • B. Belfast–Portadown line
    The Belfast–Portadown line is a key railway route in Northern Ireland connecting Belfast with the town of Portadown and forming part of the region’s main intercity and commuter rail network.
  • C. Portadown Line
    The Portadown Line is a key Northern Ireland Railways route connecting Belfast with Portadown, serving as an important commuter and regional rail corridor.
  • D. Belfast–Dublin corridor
    The Belfast–Dublin corridor is a major economic and transport axis linking Northern Ireland’s capital Belfast with Ireland’s capital Dublin, encompassing key urban and industrial areas along its route.
  • E. Irish border
    The Irish border is the international boundary separating Northern Ireland, which is part of the United Kingdom, from the Republic of Ireland, and has long been a focal point of political, social, and economic tensions on the island.
  • 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_69e0b4bd4a0081908d4e97a590a33fb2 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6abe576c081909231dc0d7304b9a9 completed April 20, 2026, 10:42 p.m.
Created at: April 16, 2026, 11:42 a.m.