Triple
T16470923
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | LMS Ivatt Class 2 2-6-0 |
E400056
|
entity |
| Predicate | designer |
P184
|
FINISHED |
| Object | H. G. Ivatt |
E88868
|
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: H. G. Ivatt | Statement: [LMS Ivatt Class 2 2-6-0, designer, H. G. Ivatt]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: H. G. Ivatt Context triple: [LMS Ivatt Class 2 2-6-0, designer, H. G. Ivatt]
-
A.
George Ivatt
chosen
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.
-
B.
Nigel Gresley
Nigel Gresley was a renowned British steam locomotive engineer best known for designing record-breaking express engines such as the LNER Class A4 Mallard.
-
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.
Isaac Thomas Thornycroft
Isaac Thomas Thornycroft was a British motorboat designer and racer who won a gold medal in motorboating at the 1908 London Olympics.
-
E.
Sir Edward Watkin
Sir Edward Watkin was a prominent 19th-century British railway magnate and politician known for his ambitious railway expansion schemes and early plans for a Channel Tunnel.
- 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_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_6a004f5af4308190bd023624de35027f |
completed | May 10, 2026, 9:26 a.m. |
Created at: April 10, 2026, 5:11 a.m.