Triple
T8320409
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Oswestry railway station (disused for regular passenger services) |
E194816
|
entity |
| Predicate | heritageOperator |
P56395
|
FINISHED |
| Object | Cambrian Heritage Railways |
E194817
|
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: Cambrian Heritage Railways | Statement: [Oswestry railway station (disused for regular passenger services), heritageOperator, Cambrian Heritage Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cambrian Heritage Railways Context triple: [Oswestry railway station (disused for regular passenger services), heritageOperator, Cambrian Heritage Railways]
-
A.
Cambrian Heritage Railways
chosen
Cambrian Heritage Railways is a preserved heritage railway in Shropshire, England, dedicated to restoring and operating former Cambrian Railways lines and rolling stock for historical and tourist purposes.
-
B.
Bluebell Railway
Bluebell Railway is a renowned preserved heritage railway in Sussex, England, operating historic steam trains through scenic countryside and serving as a popular tourist attraction and film location.
-
C.
North Yorkshire Moors Railway
North Yorkshire Moors Railway is a heritage steam and diesel railway in North Yorkshire, England, offering scenic journeys through the North York Moors National Park.
-
D.
Skarloey Railway
Skarloey Railway is a fictional narrow-gauge railway in The Railway Series and Thomas & Friends, closely modeled on the real Talyllyn Railway in Wales.
-
E.
Welsh Highland Railway
The Welsh Highland Railway is a scenic narrow-gauge heritage railway in North Wales that runs through the mountainous landscapes of Snowdonia.
- 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_69ca82e7a8a88190a32bb5cc0feb012d |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb7f6686a0819094abc2bfd2e500a5 |
completed | March 31, 2026, 8:01 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cd95a058948190b056d9b0f0607933 |
completed | April 1, 2026, 10:01 p.m. |
Created at: March 30, 2026, 5:55 p.m.