Triple
T8881495
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | LNER Class P2 |
E211420
|
entity |
| Predicate | valveGear |
P49897
|
FINISHED |
| Object | Walschaerts |
E371412
|
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: Walschaerts | Statement: [LNER Class P2, valveGear, Walschaerts]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Walschaerts Context triple: [LNER Class P2, valveGear, Walschaerts]
-
A.
Walschaerts
chosen
Walschaerts valve gear is a widely used steam locomotive valve gear mechanism, developed in the 19th century, that precisely controls steam admission and exhaust to the cylinders.
-
B.
Borsig
Borsig is a German surname most prominently associated with August Borsig, a 19th-century industrialist and locomotive manufacturer.
-
C.
Ingersoll
Ingersoll is a small industrial town in southwestern Ontario, Canada, known for its manufacturing sector and proximity to major transportation routes.
-
D.
Gottlieb Duttweiler
Gottlieb Duttweiler was a Swiss entrepreneur, social reformer, and founder of the Migros retail cooperative, known for his pioneering role in making consumer goods more accessible to the public.
-
E.
Suter
Suter is a surname of Germanic origin, often associated with individuals of Swiss or German heritage.
- 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_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 |
Created at: March 30, 2026, 6:53 p.m.