Triple
T21490950
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kent and East Sussex Railway |
E530232
|
entity |
| Predicate | hasDepot |
P2413
|
FINISHED |
| Object | Rolvenden locomotive works |
—
|
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: Rolvenden locomotive works | Statement: [Kent and East Sussex Railway, hasDepot, Rolvenden locomotive works]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rolvenden locomotive works Context triple: [Kent and East Sussex Railway, hasDepot, Rolvenden locomotive works]
-
A.
St Rollox Locomotive Works
St Rollox Locomotive Works is a historic railway engineering and locomotive repair facility in Springburn, Glasgow, that played a major role in Scotland’s railway industry.
-
B.
Bow railway works
Bow railway works was a major 19th- and early 20th-century railway engineering and maintenance facility in Bow, East London, serving as an important hub for locomotive and rolling stock construction and repair.
-
C.
Llangollen locomotive works
Llangollen locomotive works is a heritage railway engineering and restoration facility in Llangollen, Wales, specializing in the overhaul and maintenance of historic steam and diesel locomotives.
-
D.
Crewe Works
Crewe Works is a historic railway engineering and manufacturing facility in Crewe, England, renowned for building and maintaining locomotives and rolling stock since the 19th century.
-
E.
Doncaster Works
Doncaster Works is a historic British railway engineering and locomotive-building facility in Doncaster, England, long associated with the construction and maintenance of notable steam locomotives.
- 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: Rolvenden locomotive works Target entity description: Rolvenden locomotive works is the main maintenance and restoration facility for steam and heritage locomotives on the Kent and East Sussex Railway in England.
-
A.
St Rollox Locomotive Works
St Rollox Locomotive Works is a historic railway engineering and locomotive repair facility in Springburn, Glasgow, that played a major role in Scotland’s railway industry.
-
B.
Bow railway works
Bow railway works was a major 19th- and early 20th-century railway engineering and maintenance facility in Bow, East London, serving as an important hub for locomotive and rolling stock construction and repair.
-
C.
Llangollen locomotive works
Llangollen locomotive works is a heritage railway engineering and restoration facility in Llangollen, Wales, specializing in the overhaul and maintenance of historic steam and diesel locomotives.
-
D.
Crewe Works
Crewe Works is a historic railway engineering and manufacturing facility in Crewe, England, renowned for building and maintaining locomotives and rolling stock since the 19th century.
-
E.
Doncaster Works
Doncaster Works is a historic British railway engineering and locomotive-building facility in Doncaster, England, long associated with the construction and maintenance of notable steam locomotives.
- 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_69e0c45bd15481909fba5910765cdda2 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69e9ea3aee648190ba845f0c7d8110dd |
completed | April 23, 2026, 9:45 a.m. |
Created at: April 16, 2026, 6:22 p.m.