Triple
T8881516
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | LNER Class P2 |
E211420
|
entity |
| Predicate | heritageProject |
P85498
|
FINISHED |
| Object |
new-build P2 No. 2007 Prince of Wales
New-build P2 No. 2007 Prince of Wales is a modern recreation of an LNER Class P2 steam locomotive being constructed in the UK as part of a heritage engineering project to return this powerful express engine type to mainline operation.
|
E764184
|
NE FINISHED |
How this triple was built (5 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: new-build P2 No. 2007 Prince of Wales | Statement: [LNER Class P2, heritageProject, new-build P2 No. 2007 Prince of Wales]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: new-build P2 No. 2007 Prince of Wales Context triple: [LNER Class P2, heritageProject, new-build P2 No. 2007 Prince of Wales]
-
A.
6200 Princess Royal
6200 Princess Royal is the pioneering steam locomotive of the LMS Princess Royal Class, built in the 1930s for high-speed express passenger services on Britain’s West Coast Main Line.
-
B.
6201 Princess Elizabeth
6201 Princess Elizabeth is a preserved British LMS Princess Royal Class steam locomotive, renowned for its mainline excursions and historical significance in express passenger service.
-
C.
LMS Princess Royal Class
The LMS Princess Royal Class was a series of powerful British express passenger steam locomotives built in the 1930s for high-speed mainline services on the London, Midland and Scottish Railway.
-
D.
Viscount Birkenhead
Viscount Birkenhead is a British peerage title most famously associated with F. E. Smith, a prominent early 20th-century Conservative politician and Lord Chancellor.
-
E.
B&O No. 2 Atlantic
B&O No. 2 Atlantic is a historic Baltimore & Ohio Railroad steam locomotive preserved as a prominent example of early American passenger train power.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: new-build P2 No. 2007 Prince of Wales Triple: [LNER Class P2, heritageProject, new-build P2 No. 2007 Prince of Wales]
Generated description
New-build P2 No. 2007 Prince of Wales is a modern recreation of an LNER Class P2 steam locomotive being constructed in the UK as part of a heritage engineering project to return this powerful express engine type to mainline operation.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: new-build P2 No. 2007 Prince of Wales Target entity description: New-build P2 No. 2007 Prince of Wales is a modern recreation of an LNER Class P2 steam locomotive being constructed in the UK as part of a heritage engineering project to return this powerful express engine type to mainline operation.
-
A.
6200 Princess Royal
6200 Princess Royal is the pioneering steam locomotive of the LMS Princess Royal Class, built in the 1930s for high-speed express passenger services on Britain’s West Coast Main Line.
-
B.
6201 Princess Elizabeth
6201 Princess Elizabeth is a preserved British LMS Princess Royal Class steam locomotive, renowned for its mainline excursions and historical significance in express passenger service.
-
C.
LMS Princess Royal Class
The LMS Princess Royal Class was a series of powerful British express passenger steam locomotives built in the 1930s for high-speed mainline services on the London, Midland and Scottish Railway.
-
D.
Viscount Birkenhead
Viscount Birkenhead is a British peerage title most famously associated with F. E. Smith, a prominent early 20th-century Conservative politician and Lord Chancellor.
-
E.
B&O No. 2 Atlantic
B&O No. 2 Atlantic is a historic Baltimore & Ohio Railroad steam locomotive preserved as a prominent example of early American passenger train power.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: heritageProject Context triple: [LNER Class P2, heritageProject, new-build P2 No. 2007 Prince of Wales]
-
A.
heritageComponent
Indicates that one entity forms a constituent or contributing part of another entity’s cultural or historical heritage.
-
B.
heritageService
Indicates that an entity provides, manages, or is associated with services related to the preservation, interpretation, or promotion of cultural or natural heritage.
-
C.
heritageManagement
Indicates the management, preservation, and regulation of cultural or natural heritage resources by responsible entities.
-
D.
designHeritage
Indicates that one entity has influenced, shaped, or contributed to the design tradition or stylistic lineage of another entity.
-
E.
heritageType
Indicates the classification of an entity’s cultural or natural heritage category or type within a heritage framework.
- F. None of above. chosen
Provenance (7 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_69ca838f9e20819096ab1f236a70381a |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc6168e3d881908c58cf11cf5f9a0e |
completed | April 1, 2026, 12:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfabca74888190934593d6504fbed1 |
completed | April 3, 2026, noon |
| NEDg | Description generation | batch_69cfac9c743c8190a26f753111f07281 |
completed | April 3, 2026, 12:03 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cfad54cf5c81908558fd4c21f2f3b6 |
completed | April 3, 2026, 12:06 p.m. |
| PD | Predicate disambiguation | batch_69cc5c2956788190a311c647b4da17a6 |
completed | March 31, 2026, 11:43 p.m. |
| PDg | Predicate description generation | batch_69cc5d6e54808190af4156edd4c8ffbc |
completed | March 31, 2026, 11:49 p.m. |
Created at: March 30, 2026, 6:53 p.m.