Triple
T21235318
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sydenham, County Down, Ireland |
E523327
|
entity |
| Predicate | hasRailService |
P782
|
FINISHED |
| Object | Belfast–Bangor railway line |
—
|
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: Belfast–Bangor railway line | Statement: [Sydenham, County Down, Ireland, hasRailService, Belfast–Bangor railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Belfast–Bangor railway line Context triple: [Sydenham, County Down, Ireland, hasRailService, Belfast–Bangor railway line]
-
A.
Belfast–Derry railway line
The Belfast–Derry railway line is a key Northern Ireland Railways route connecting Belfast with the city of Derry/Londonderry through several intermediate towns.
-
B.
Belfast–Portadown railway line
The Belfast–Portadown railway line is a key rail corridor in Northern Ireland connecting Belfast with Portadown and serving major commuter towns such as Lisburn.
-
C.
Belfast–Bangor line
chosen
The Belfast–Bangor line is a key suburban railway route in Northern Ireland connecting the city of Belfast with the coastal town of Bangor.
-
D.
Belfast–Dublin railway line
The Belfast–Dublin railway line is a major intercity rail corridor linking the capitals of Northern Ireland and the Republic of Ireland, serving key towns and cities along the east coast.
-
E.
Belfast and County Down Railway
The Belfast and County Down Railway was a former railway company in what is now Northern Ireland that operated lines radiating from Belfast into County Down during the late 19th and early 20th centuries.
- 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_69e0b513b89c81908b27147e91368db2 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7351f0e988190bb77b598cb8a9532 |
completed | April 21, 2026, 8:28 a.m. |
Created at: April 16, 2026, 3:46 p.m.