Triple
T21566962
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pontlottyn |
E532185
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object | Pontlottyn railway station |
—
|
NE NERFINISHED |
How this triple was built (3 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: Pontlottyn railway station | Statement: [Pontlottyn, hasRailwayStation, Pontlottyn railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pontlottyn railway station Context triple: [Pontlottyn, hasRailwayStation, Pontlottyn railway station]
-
A.
Pont-y-Pant railway station
Pont-y-Pant railway station is a small rural stop on the Conwy Valley Line in the Lledr Valley of north Wales, serving the local community and walkers in this scenic area.
-
B.
Tanygrisiau railway station
Tanygrisiau railway station is a small stop on the heritage Ffestiniog Railway in Gwynedd, Wales, serving the village of Tanygrisiau near Blaenau Ffestiniog.
-
C.
Ton Pentre railway station
Ton Pentre railway station is a small local train stop serving the village of Ton Pentre in the Rhondda Valley of South Wales.
-
D.
Cynwyd station
Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
-
E.
Rhyd Ddu station
Rhyd Ddu station is a rural stop on the narrow-gauge Welsh Highland Railway in Snowdonia, serving the village of Rhyd Ddu and nearby mountain walking routes.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pontlottyn railway station Target entity description: Pontlottyn railway station is a small local train stop in the village of Pontlottyn in Caerphilly, Wales, providing passenger services on the Rhymney Valley Line.
-
A.
Pont-y-Pant railway station
Pont-y-Pant railway station is a small rural stop on the Conwy Valley Line in the Lledr Valley of north Wales, serving the local community and walkers in this scenic area.
-
B.
Tanygrisiau railway station
Tanygrisiau railway station is a small stop on the heritage Ffestiniog Railway in Gwynedd, Wales, serving the village of Tanygrisiau near Blaenau Ffestiniog.
-
C.
Ton Pentre railway station
Ton Pentre railway station is a small local train stop serving the village of Ton Pentre in the Rhondda Valley of South Wales.
-
D.
Cynwyd station
Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
-
E.
Rhyd Ddu station
Rhyd Ddu station is a rural stop on the narrow-gauge Welsh Highland Railway in Snowdonia, serving the village of Rhyd Ddu and nearby mountain walking routes.
- F. None of above. chosen
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_69e0c460db088190828c64206a450273 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eee9c9f264819085b4807923860793 |
completed | April 27, 2026, 4:44 a.m. |
Created at: April 16, 2026, 6:30 p.m.