Triple

T20626339
Position Surface form Disambiguated ID Type / Status
Subject Great Northern Railway (Ireland) E506827 entity
Predicate formedByMergerOf P77 FINISHED
Object Irish North Western Railway 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: Irish North Western Railway | Statement: [Great Northern Railway (Ireland), formedByMergerOf, Irish North Western Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Irish North Western Railway
Context triple: [Great Northern Railway (Ireland), formedByMergerOf, Irish North Western Railway]
  • A. Great Northern Railway (Ireland)
    Great Northern Railway (Ireland) was a major cross-border railway company that operated key lines connecting cities in both Northern Ireland and the Republic of Ireland from the late 19th to the mid-20th century.
  • B. Ulster Railway
    Ulster Railway was a 19th-century Irish railway company that operated key lines in the north of Ireland before becoming part of the Great Northern Railway (Ireland).
  • C. Great Western Railway (Ireland)
    Great Western Railway (Ireland) was a former Irish railway company that operated key routes in the west of Ireland during the 19th and early 20th centuries.
  • D. Dublin and Drogheda Railway
    The Dublin and Drogheda Railway was one of Ireland’s early railway companies, operating a key line between Dublin and the town of Drogheda before becoming part of the Great Northern Railway (Ireland).
  • E. Belfast and Northern Counties Railway
    The Belfast and Northern Counties Railway was a former railway company in Northern Ireland that operated an extensive network in the north and northwest, linking Belfast with key towns and ports including Derry.
  • 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: Irish North Western Railway
Target entity description: The Irish North Western Railway was a 19th-century Irish railway company that operated lines in the northwest of Ireland before being absorbed into the Great Northern Railway (Ireland).
  • A. Great Northern Railway (Ireland)
    Great Northern Railway (Ireland) was a major cross-border railway company that operated key lines connecting cities in both Northern Ireland and the Republic of Ireland from the late 19th to the mid-20th century.
  • B. Ulster Railway
    Ulster Railway was a 19th-century Irish railway company that operated key lines in the north of Ireland before becoming part of the Great Northern Railway (Ireland).
  • C. Great Western Railway (Ireland)
    Great Western Railway (Ireland) was a former Irish railway company that operated key routes in the west of Ireland during the 19th and early 20th centuries.
  • D. Dublin and Drogheda Railway
    The Dublin and Drogheda Railway was one of Ireland’s early railway companies, operating a key line between Dublin and the town of Drogheda before becoming part of the Great Northern Railway (Ireland).
  • E. Belfast and Northern Counties Railway
    The Belfast and Northern Counties Railway was a former railway company in Northern Ireland that operated an extensive network in the north and northwest, linking Belfast with key towns and ports including Derry.
  • 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.