Triple
T19208301
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ebbw Vale |
E480292
|
entity |
| Predicate | servedByRailLine |
P1293
|
FINISHED |
| Object | Ebbw Valley Railway |
—
|
NE NERFINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: Ebbw Valley Railway | Statement: [Ebbw Vale, servedByRailLine, Ebbw Valley Railway]
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ebbw Valley Railway Context triple: [Ebbw Vale, servedByRailLine, Ebbw Valley Railway]
-
A.
Ebbw Valley Railway
chosen
The Ebbw Valley Railway is a passenger rail line in South Wales that connects communities in the Ebbw Valley with larger hubs such as Cardiff, supporting regional commuting and regeneration.
-
B.
Rhymney Railway
Rhymney Railway was a historic Welsh railway company that primarily served the coal-mining communities of the Rhymney Valley and surrounding areas.
-
C.
Sirhowy Railway
The Sirhowy Railway was a historic Welsh railway line that played a key role in transporting coal and iron through the Sirhowy Valley during the industrial era.
-
D.
Ebbw Vale line
The Ebbw Vale line is a railway route in South Wales that connects Ebbw Vale with larger towns and cities, providing both commuter and regional passenger services.
-
E.
Nantlle Railway
The Nantlle Railway was a historic narrow-gauge line in North Wales built primarily to carry slate from the Nantlle Valley quarries to the coast for export.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69d8e8cb8c348190b52075823911c869 |
elicitation | completed |
| NER | batch_69e5f9a000188190afb762ea24bc3deb |
ner | completed |
Created at: April 10, 2026, 1:20 p.m.