Triple
T36274386
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Llangollen locomotive works |
E892764
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | heritage railway engineering facility |
C64647
|
CONCEPT FINISHED |
How this triple was built (1 step)
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.
CD
Concept disambiguation
gpt-5-mini-2025-08-07
Target class: heritage railway engineering facility Context triple: [Llangollen locomotive works, instanceOf, heritage railway engineering facility]
-
A.
heritage railway station
A heritage railway station is a preserved or restored train station that maintains historical architecture, equipment, and operations to reflect and celebrate railway history, often serving tourism and educational purposes.
-
B.
heritage railway
A heritage railway is a preserved or restored railway line operated primarily for historical, educational, and touristic purposes, often using vintage locomotives, rolling stock, and traditional operating practices.
-
C.
historical railway asset
A historical railway asset is any preserved or documented physical or digital artifact—such as tracks, rolling stock, stations, equipment, or records—associated with past railway operations and valued for its cultural, technological, or historical significance.
-
D.
heritage tramway system
A heritage tramway system is a historically preserved or recreated tram network operated primarily for cultural, educational, and touristic purposes, often using restored vintage vehicles and traditional infrastructure.
-
E.
railway museum
A railway museum is a public institution that collects, preserves, and exhibits historic trains, railway equipment, and related artifacts to educate visitors about the history and technology of rail transport.
- F. None of above. chosen
Provenance (1 batch)
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_69f76e488f34819083e254dbe288c27a |
completed | May 3, 2026, 3:48 p.m. |
Created at: May 3, 2026, 4:09 p.m.