Triple
T17378788
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Treforest |
E422509
|
entity |
| Predicate | hasNearbyRailwayStation |
P31869
|
FINISHED |
| Object | Treforest Estate 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: Treforest Estate railway station | Statement: [Treforest, hasNearbyRailwayStation, Treforest Estate railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Treforest Estate railway station Context triple: [Treforest, hasNearbyRailwayStation, Treforest Estate railway station]
-
A.
Treforest railway station
chosen
Treforest railway station is a local rail stop in Treforest, Wales, providing passenger services on the Valley Lines network.
-
B.
Trawsfynydd railway station
Trawsfynydd railway station is a disused former railway station in Gwynedd, Wales, that once served the village of Trawsfynydd and its surrounding rural area.
-
C.
Ystrad Mynach railway station
Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
-
D.
Port Talbot Parkway railway station
Port Talbot Parkway railway station is a key passenger rail hub in Port Talbot, Wales, providing regional and long-distance services along the South Wales rail corridor.
-
E.
Radnor station
Radnor station is a SEPTA rapid transit stop in Radnor, Pennsylvania, serving passengers on the Norristown High Speed Line.
- 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_69d889d6535c81908be333c01deaec4e |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e43a840cd08190af3385388afb8c8f |
completed | April 19, 2026, 2:14 a.m. |
Created at: April 10, 2026, 5:45 a.m.