Triple
T19015497
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | George Jackson Churchward |
E465336
|
entity |
| Predicate | designed |
P184
|
FINISHED |
| Object | GWR 4000 Star 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 4000 Star Class | Statement: [George Jackson Churchward, designed, GWR 4000 Star Class]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: GWR 4000 Star Class Context triple: [George Jackson Churchward, designed, GWR 4000 Star Class]
-
A.
GWR 2900 Saint Class
The GWR 2900 Saint Class was a pioneering class of Great Western Railway 4-6-0 steam locomotives that strongly influenced subsequent British express passenger locomotive design.
-
B.
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.
-
C.
GWR King class locomotives
The GWR King class locomotives were powerful express passenger steam engines built for the Great Western Railway in the 1920s, renowned as some of the most capable and prestigious British steam locomotives of their era.
-
D.
British Rail Class 57
The British Rail Class 57 is a rebuilt diesel-electric locomotive class for the UK rail network, created by re-engineering older locomotives with updated engines and systems to extend their service life and improve performance.
-
E.
British Rail Class 40
The British Rail Class 40 is a class of heavy diesel-electric locomotives built in the late 1950s and early 1960s for express passenger and freight services on British Railways, now preserved and operated on heritage lines.
- 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 4000 Star Class Target entity description: The GWR 4000 Star Class was a pioneering class of early 20th-century British 4-6-0 steam locomotives for the Great Western Railway, noted for their power, speed, and influence on later express locomotive designs.
-
A.
GWR 2900 Saint Class
The GWR 2900 Saint Class was a pioneering class of Great Western Railway 4-6-0 steam locomotives that strongly influenced subsequent British express passenger locomotive design.
-
B.
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.
-
C.
GWR King class locomotives
The GWR King class locomotives were powerful express passenger steam engines built for the Great Western Railway in the 1920s, renowned as some of the most capable and prestigious British steam locomotives of their era.
-
D.
British Rail Class 57
The British Rail Class 57 is a rebuilt diesel-electric locomotive class for the UK rail network, created by re-engineering older locomotives with updated engines and systems to extend their service life and improve performance.
-
E.
British Rail Class 40
The British Rail Class 40 is a class of heavy diesel-electric locomotives built in the late 1950s and early 1960s for express passenger and freight services on British Railways, now preserved and operated on heritage lines.
- 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.