Triple
T18086459
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Belfast–Dublin railway line |
E432846
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Northern Ireland Railways |
—
|
NE NERFINISHED |
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: Northern Ireland Railways | Statement: [Belfast–Dublin railway line, operator, Northern Ireland Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northern Ireland Railways Context triple: [Belfast–Dublin railway line, operator, Northern Ireland Railways]
-
A.
Northern Ireland railways
chosen
Northern Ireland railways comprise the network of passenger and freight railway lines operating within Northern Ireland, historically distinct from the rest of the UK system and now primarily managed by Translink’s NI Railways.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Iarnród Éireann
Iarnród Éireann is the national railway operator of Ireland, responsible for most passenger and freight rail services across the country.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d8b907d05c819083cc3bd6021089e6 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4dd150ab88190864be2a722d214b8 |
completed | April 19, 2026, 1:48 p.m. |
Created at: April 10, 2026, 10:27 a.m.