Triple
T19015500
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | George Jackson Churchward |
E465336
|
entity |
| Predicate | designed |
P184
|
FINISHED |
| Object | GWR 2221 County Tank Class |
—
|
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: GWR 2221 County Tank Class | Statement: [George Jackson Churchward, designed, GWR 2221 County Tank Class]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: GWR 2221 County Tank Class Context triple: [George Jackson Churchward, designed, GWR 2221 County Tank Class]
-
A.
GWR Hall Class
The GWR Hall Class was a highly successful class of mixed-traffic 4-6-0 steam locomotives designed by Charles Collett for the Great Western Railway in the UK, renowned for their versatility and reliability.
-
B.
LNER Class P2
The LNER Class P2 was a powerful class of 2-8-2 steam locomotives designed by Sir Nigel Gresley for hauling heavy express trains on the challenging Edinburgh–Aberdeen route in the 1930s.
-
C.
LNER Class V2
The LNER Class V2 was a class of powerful 2-6-2 steam locomotives designed by Sir Nigel Gresley for mixed-traffic duties on the London and North Eastern Railway in the mid-20th century.
-
D.
LNER Class K3
The LNER Class K3 was a class of British 2-6-0 steam locomotives designed by Sir Nigel Gresley for heavy mixed-traffic work on the London and North Eastern Railway.
-
E.
LMS Jubilee Class
The LMS Jubilee Class was a class of British steam locomotives built in the 1930s for express passenger services on the London, Midland and Scottish Railway.
- 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: GWR 2221 County Tank Class Target entity description: The GWR 2221 County Tank Class was a class of Great Western Railway 4-4-2T steam locomotives used primarily for passenger services in the early 20th century.
-
A.
GWR Hall Class
The GWR Hall Class was a highly successful class of mixed-traffic 4-6-0 steam locomotives designed by Charles Collett for the Great Western Railway in the UK, renowned for their versatility and reliability.
-
B.
LNER Class P2
The LNER Class P2 was a powerful class of 2-8-2 steam locomotives designed by Sir Nigel Gresley for hauling heavy express trains on the challenging Edinburgh–Aberdeen route in the 1930s.
-
C.
LNER Class V2
The LNER Class V2 was a class of powerful 2-6-2 steam locomotives designed by Sir Nigel Gresley for mixed-traffic duties on the London and North Eastern Railway in the mid-20th century.
-
D.
LNER Class K3
The LNER Class K3 was a class of British 2-6-0 steam locomotives designed by Sir Nigel Gresley for heavy mixed-traffic work on the London and North Eastern Railway.
-
E.
LMS Jubilee Class
The LMS Jubilee Class was a class of British steam locomotives built in the 1930s for express passenger services on the London, Midland and Scottish Railway.
- 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_69d8dd025c188190a1d81f5b4ec7e2c6 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5d6d9f2a081908c0e923809da88e2 |
completed | April 20, 2026, 7:33 a.m. |
Created at: April 10, 2026, 12:02 p.m.