Triple
T20548864
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ebbw Vale line |
E504545
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Cardiff Central railway station |
—
|
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: Cardiff Central railway station | Statement: [Ebbw Vale line, terminus, Cardiff Central railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cardiff Central railway station Context triple: [Ebbw Vale line, terminus, Cardiff Central railway station]
-
A.
Cardiff Central railway station
chosen
Cardiff Central railway station is the main railway hub in Cardiff, Wales, serving as a major interchange on the South Wales Main Line with extensive regional and long-distance services.
-
B.
Cardiff railway station
Cardiff railway station is a suburban train station serving the Cardiff area near Newcastle in New South Wales, Australia.
-
C.
Cardiff Queen Street railway station
Cardiff Queen Street railway station is a major central Cardiff rail hub serving as a key interchange for suburban and regional services across South Wales.
-
D.
Cardiff Bay railway station
Cardiff Bay railway station is a suburban railway terminus in Cardiff, Wales, serving the Cardiff Bay area with local train services.
-
E.
Whitchurch (Cardiff) railway station
Whitchurch (Cardiff) railway station is a suburban railway stop in the Whitchurch area of Cardiff, Wales, providing local commuter services into the city and surrounding areas.
- 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_69e0b4b52c048190952b4d0f430813a3 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6a5d56060819090f0e2f2f9957982 |
completed | April 20, 2026, 10:16 p.m. |
Created at: April 16, 2026, 11:38 a.m.