Triple
T16470918
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail steam locomotives |
E400055
|
entity |
| Predicate | designPolicy |
P532
|
FINISHED |
| Object | BR Standard steam locomotive programme |
E1215498
|
NE FINISHED |
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: BR Standard steam locomotive programme | Statement: [British Rail steam locomotives, designPolicy, BR Standard steam locomotive programme]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BR Standard steam locomotive programme Context triple: [British Rail steam locomotives, designPolicy, BR Standard steam locomotive programme]
-
A.
BR Standard Class steam locomotives
chosen
BR Standard Class steam locomotives were a series of steam engines designed and built in the 1950s for British Railways to standardize and modernize its steam fleet in the final years before diesel and electric traction took over.
-
B.
British Rail steam locomotives
British Rail steam locomotives were the steam-powered engines operated on Britain’s nationalized railway system in the mid-20th century, spanning a wide range of classes used for passenger and freight services before diesel and electric traction took over.
-
C.
BR Standard Class 4 steam locomotives
BR Standard Class 4 steam locomotives are mid-20th-century British Railways mixed-traffic steam engines designed for versatility and efficiency on both passenger and freight services.
-
D.
LMS Stanier Class 5 4-6-0 "Black Five" locomotives
The LMS Stanier Class 5 4-6-0 "Black Five" locomotives are a highly successful and versatile class of British mixed-traffic steam engines designed by William Stanier for the London, Midland and Scottish Railway in the 1930s.
-
E.
Lion steam locomotive
The Lion steam locomotive is a preserved early 19th-century British steam engine famed for its role in the Liverpool and Manchester Railway and as one of the oldest surviving working locomotives.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: designPolicy Context triple: [British Rail steam locomotives, designPolicy, BR Standard steam locomotive programme]
-
A.
policyDesignation
Indicates that an entity is assigned or labeled with a specific policy or policy classification.
-
B.
designPhilosophy
chosen
Indicates the guiding principles, values, or conceptual approach that shape how something is designed or created.
-
C.
designUse
Indicates that one entity is used as a design basis, purpose, or intended functional use for another entity.
-
D.
designStandardizedIn
Indicates that something is designed according to the rules, formats, or specifications defined within a particular standard or standardization framework.
-
E.
designByLaw
Indicates that something is created, structured, or determined according to legal rules, requirements, or authority.
- F. None of above.
Provenance (4 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_69d87f2dac988190b74d6e185fa88ba4 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e32dd0d2fc81909b68b5afb00f192f |
completed | April 18, 2026, 7:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00581c24508190b4888357828fed80 |
completed | May 10, 2026, 10:04 a.m. |
| PD | Predicate disambiguation | batch_69e22706b0588190a48a951c5211a617 |
completed | April 17, 2026, 12:26 p.m. |
Created at: April 10, 2026, 5:11 a.m.