Triple
T18493058
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Plymouth Friary |
E451865
|
entity |
| Predicate | hasRailwayDepot |
P18851
|
FINISHED |
| Object | Plymouth Friary engine shed |
—
|
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: Plymouth Friary engine shed | Statement: [Plymouth Friary, hasRailwayDepot, Plymouth Friary engine shed]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Plymouth Friary engine shed Context triple: [Plymouth Friary, hasRailwayDepot, Plymouth Friary engine shed]
-
A.
Havenstreet railway workshops
Havenstreet railway workshops are the maintenance and restoration facilities of the Isle of Wight Steam Railway, where historic locomotives and rolling stock are preserved and overhauled.
-
B.
Barlow train shed
The Barlow train shed is the vast 19th-century wrought-iron and glass arched roof that dramatically spans the platforms of London St Pancras station.
-
C.
Swindon Works
Swindon Works was a major railway engineering and locomotive manufacturing facility of the Great Western Railway in Swindon, England.
-
D.
Eastleigh Works
Eastleigh Works is a major railway engineering and maintenance facility in Eastleigh, England, historically known for building, repairing, and overhauling locomotives and rolling stock.
-
E.
Shildon Works
Shildon Works was a major railway engineering and wagon-building facility in Shildon, County Durham, historically significant as one of the world’s earliest and longest-operating railway workshops.
- 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: Plymouth Friary engine shed Target entity description: Plymouth Friary engine shed was a locomotive depot in Plymouth, England, that serviced and maintained steam and later diesel engines for trains operating in the region.
-
A.
Havenstreet railway workshops
Havenstreet railway workshops are the maintenance and restoration facilities of the Isle of Wight Steam Railway, where historic locomotives and rolling stock are preserved and overhauled.
-
B.
Barlow train shed
The Barlow train shed is the vast 19th-century wrought-iron and glass arched roof that dramatically spans the platforms of London St Pancras station.
-
C.
Swindon Works
Swindon Works was a major railway engineering and locomotive manufacturing facility of the Great Western Railway in Swindon, England.
-
D.
Eastleigh Works
Eastleigh Works is a major railway engineering and maintenance facility in Eastleigh, England, historically known for building, repairing, and overhauling locomotives and rolling stock.
-
E.
Shildon Works
Shildon Works was a major railway engineering and wagon-building facility in Shildon, County Durham, historically significant as one of the world’s earliest and longest-operating railway workshops.
- 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_69d8d3855d50819097fc8561b0299dd9 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e532be5e988190aae93a66f6e5f857 |
completed | April 19, 2026, 7:53 p.m. |
Created at: April 10, 2026, 11:35 a.m.