Triple
T8881510
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | LNER Class P2 |
E211420
|
entity |
| Predicate | designedByRole |
P47359
|
FINISHED |
| Object | LNER Chief Mechanical Engineer |
E195635
|
NE FINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: LNER Chief Mechanical Engineer | Statement: [LNER Class P2, designedByRole, LNER Chief Mechanical Engineer]
Disambiguation candidates (2 decisions)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: LNER Chief Mechanical Engineer Context triple: [LNER Class P2, designedByRole, LNER Chief Mechanical Engineer]
-
A.
Nigel Gresley
chosen
Nigel Gresley was a renowned British steam locomotive engineer best known for designing record-breaking express engines such as the LNER Class A4 Mallard.
-
B.
British Rail Engineering Limited
British Rail Engineering Limited was the former engineering subsidiary of British Rail, responsible for designing, building, and maintaining much of the UK’s rolling stock and railway equipment.
-
C.
Richard Beeching
Richard Beeching was a British physicist, industrialist, and chairman of British Railways best known for authoring the 1960s reports that led to widespread railway line closures in the UK.
-
D.
Railway Technical Centre
The Railway Technical Centre is a major British rail research and development facility in Derby that has historically served as the central hub for engineering, testing, and innovation for the UK railway industry.
-
E.
LNER Class A3 4472 Flying Scotsman
LNER Class A3 4472 Flying Scotsman is a famous British steam locomotive renowned for being one of the world’s most iconic express passenger engines and the first to officially reach 100 mph.
- 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: designedByRole Context triple: [LNER Class P2, designedByRole, LNER Chief Mechanical Engineer]
-
A.
designedRole
Indicates that one entity has been created, configured, or intended to serve a particular function, purpose, or role in relation to another entity.
-
B.
designedByPosition
chosen
Indicates that something is created or planned by an entity identified by a particular role or job position, rather than by a specific individual.
-
C.
designedBy
Indicates that one entity is the creator, planner, or architect responsible for the form or structure of another entity.
-
D.
isDesignedAs
Indicates that something has been intentionally created or configured to serve as or function in the role of something else.
-
E.
designedWith
Indicates that one entity was created, planned, or developed using another entity as a tool, method, or guiding basis in its design process.
- F. None of above.
Provenance (4 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69ca838f9e20819096ab1f236a70381a |
elicitation | completed |
| NER | batch_69cc6168e3d881908c58cf11cf5f9a0e |
ner | completed |
| NED1 | batch_69cfba1809dc81909776f1268cae9004 |
ned_source_triple | completed |
| PD | batch_69cc5c2956788190a311c647b4da17a6 |
pd | completed |
Created at: March 30, 2026, 6:53 p.m.