Triple
T15540204
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bristol Parkway–Cardiff Central |
E370454
|
entity |
| Predicate | hasMajorIntermediateStation |
P24280
|
FINISHED |
| Object | Severn Tunnel Junction railway station |
E603157
|
NE FINISHED |
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: Severn Tunnel Junction railway station | Statement: [Bristol Parkway–Cardiff Central, hasMajorIntermediateStation, Severn Tunnel Junction railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Severn Tunnel Junction railway station Context triple: [Bristol Parkway–Cardiff Central, hasMajorIntermediateStation, Severn Tunnel Junction railway station]
-
A.
Severn Tunnel Junction railway station
chosen
Severn Tunnel Junction railway station is a major rail junction in South Wales serving as a key stop near the Severn Tunnel on routes between England and Wales.
-
B.
Lydbrook Junction railway station
Lydbrook Junction railway station was a former railway station in Lydbrook, Gloucestershire, England, that served as a junction on the Severn and Wye Railway network.
-
C.
Stamford Brook station
Stamford Brook station is a London Underground station in west London served by the District line.
-
D.
Stonebridge Park station
Stonebridge Park station is a railway and London Underground station in north-west London served by the Bakerloo line and London Overground.
-
E.
Watford Junction railway station
Watford Junction railway station is a major rail hub in Hertfordshire, England, providing regional, commuter, and long-distance services including routes to London and the Midlands.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d85cc521a08190921fb50319dddc34 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e04430b5188190a555a3cd4fb0c61c |
completed | April 16, 2026, 2:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff3d6396f08190a09253ac63110384 |
completed | May 9, 2026, 1:57 p.m. |
Created at: April 10, 2026, 4:07 a.m.