Triple
T5255736
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Great Victoria Street railway station |
E118691
|
entity |
| Predicate | formerOperator |
P179
|
FINISHED |
| Object | Ulster Transport Authority |
E400046
|
NE FINISHED |
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: Ulster Transport Authority | Statement: [Great Victoria Street railway station, formerOperator, Ulster Transport Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ulster Transport Authority Context triple: [Great Victoria Street railway station, formerOperator, Ulster Transport Authority]
-
A.
Ulster Transport Authority
chosen
The Ulster Transport Authority was a government-owned body responsible for operating and overseeing public transport services, including railways and buses, in Northern Ireland from the late 1940s until the late 1960s.
-
B.
Dublin Bus
Dublin Bus is the main public bus operator in Dublin, Ireland, providing extensive urban and suburban services across the city and surrounding areas.
-
C.
Strathclyde Partnership for Transport
Strathclyde Partnership for Transport is the regional public transport authority for the Strathclyde area of Scotland, responsible for planning, coordinating, and operating key transport services including Glasgow’s subway system.
-
D.
Tyne and Wear Passenger Transport Executive
Tyne and Wear Passenger Transport Executive was the former public body responsible for overseeing and coordinating public transport services, including the Tyne and Wear Metro, in the Tyne and Wear region of North East England.
-
E.
Belfast City Council
Belfast City Council is the local government authority responsible for providing municipal services and strategic leadership for the city of Belfast in Northern Ireland.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69bd446978108190bb5f9c5c23d93f88 |
completed | March 20, 2026, 12:58 p.m. |
| NER | Named-entity recognition | batch_69bd7ba4ecd88190800b5e4eea3abed5 |
completed | March 20, 2026, 4:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69befe7a1f448190acfcdfe37c962028 |
completed | March 21, 2026, 8:24 p.m. |
Created at: March 20, 2026, 1:50 p.m.