Triple
T19959080
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Castletown Railway Station |
E479763
|
entity |
| Predicate | ownedBy |
P347
|
FINISHED |
| Object | Isle of Man Railways |
—
|
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: Isle of Man Railways | Statement: [Castletown Railway Station, ownedBy, Isle of Man Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Isle of Man Railways Context triple: [Castletown Railway Station, ownedBy, Isle of Man Railways]
-
A.
Isle of Man Railway
chosen
The Isle of Man Railway is a historic narrow-gauge steam railway system on the Isle of Man that operates as a major heritage and tourist attraction.
-
B.
Manx Electric Railway
The Manx Electric Railway is a historic electric tramway on the Isle of Man that runs along the island’s east coast between Douglas and Ramsey, offering scenic coastal transport with vintage rolling stock.
-
C.
Brill Tramway
Brill Tramway was a small rural light railway in Buckinghamshire, England, originally built to serve local agriculture and brickworks and later incorporated into the Metropolitan Railway network before its closure in 1935.
-
D.
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.
-
E.
Taff Vale Railway
Taff Vale Railway was a historic Welsh railway company that played a key role in transporting coal and passengers in South Wales during the 19th and early 20th centuries.
- 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_69d8e523c19881909f9197037200dde6 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e65af2c3548190a44f972a1bd33256 |
completed | April 20, 2026, 4:57 p.m. |
Created at: April 10, 2026, 1:54 p.m.