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.