Triple
T1746647
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London and North Eastern Railway |
E38349
|
entity |
| Predicate | chiefMechanicalEngineer |
P616
|
FINISHED |
| Object | Nigel Gresley |
E195635
|
NE FINISHED |
How this triple was built (2 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: Nigel Gresley | Statement: [London and North Eastern Railway, chiefMechanicalEngineer, Nigel Gresley]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nigel Gresley Context triple: [London and North Eastern Railway, chiefMechanicalEngineer, Nigel Gresley]
-
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.
George Ivatt
George Ivatt was a British railway engineer best known for designing some of the last steam and early diesel locomotives for the London, Midland and Scottish Railway and its nationalised successor, British Railways.
-
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.
W. O. Bentley
W. O. Bentley was a British engineer and entrepreneur best known for founding the luxury automobile manufacturer Bentley Motors and for his influential work in early high-performance car and aircraft engine design.
-
E.
Robert Stephenson
Robert Stephenson was a pioneering 19th-century English railway and civil engineer renowned for his work on early steam locomotives and major railway bridges.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a8862b01a48190ab47209063af82d9 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69aa63eabdf48190878ecde3d1b1faf3 |
completed | March 6, 2026, 5:19 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ada9866d308190a1de483f5a330362 |
completed | March 8, 2026, 4:53 p.m. |
Created at: March 4, 2026, 7:31 p.m.