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
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).
 E1444313 NE FINISHED

How this triple was built (4 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.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Irish North Western Railway
Triple: [Great Northern Railway (Ireland), formedByMergerOf, Irish North Western Railway]
Generated 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).
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 (5 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.
NED1 Entity disambiguation (via context triple) batch_6a08cd500c40819096dbde68d11c2424 completed May 16, 2026, 8:02 p.m.
NEDg Description generation batch_6a08d174278481909db394da2a7ff969 completed May 16, 2026, 8:20 p.m.
NED2 Entity disambiguation (via description) batch_6a08d293523c8190aaa01c6c73c9afd5 completed May 16, 2026, 8:24 p.m.
Created at: April 16, 2026, 11:42 a.m.