Triple
T20437528
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Risca and Pontymister railway station |
E501290
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Transport for Wales services |
—
|
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: Transport for Wales services | Statement: [Risca and Pontymister railway station, servedBy, Transport for Wales services]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Transport for Wales services Context triple: [Risca and Pontymister railway station, servedBy, Transport for Wales services]
-
A.
Transport for Wales Rail
chosen
Transport for Wales Rail is a Welsh train operating company that provides regional and intercity rail services across Wales and into parts of England.
-
B.
Arriva Trains Wales
Arriva Trains Wales was a former UK train operating company that provided passenger rail services across Wales and the English border regions from 2003 to 2018.
-
C.
Transport for Wales integrated transport network
The Transport for Wales integrated transport network is a coordinated public transport system in Wales that brings together rail, bus, and other services under a unified, passenger-focused framework.
-
D.
South Wales rail network
The South Wales rail network is the interconnected system of passenger and freight railway lines serving the cities, towns, and industrial areas across South Wales.
-
E.
National Rail Wales area
The National Rail Wales area is the designated rail network zone covering passenger train services and stations across Wales within the National Rail system.
- 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_69e0b4ab3cfc8190ac9bf32e932316b1 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e685f042988190948253a3d2ee4e9e |
completed | April 20, 2026, 8 p.m. |
Created at: April 16, 2026, 11:31 a.m.