Triple
T19601492
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dunkirk locomotive works |
E470486
|
entity |
| Predicate | historicalEra |
P200
|
FINISHED |
| Object | Age of steam locomotives |
—
|
NE NERFINISHED |
How this triple was built (3 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: Age of steam locomotives | Statement: [Dunkirk locomotive works, historicalEra, Age of steam locomotives]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Age of steam locomotives Context triple: [Dunkirk locomotive works, historicalEra, Age of steam locomotives]
-
A.
Cab-forward steam locomotives
Cab-forward steam locomotives were a distinctive type of steam engine with the crew cab placed at the front of the locomotive to improve visibility and reduce smoke exposure, most famously used by the Southern Pacific Railroad in mountainous terrain.
-
B.
Age of steam and sail
The Age of Steam and Sail was a transitional maritime era in the 19th century when traditional sailing ships coexisted and gradually gave way to steam-powered vessels, reshaping global naval warfare and commerce.
-
C.
Lion steam locomotive
The Lion steam locomotive is a preserved early 19th-century British steam engine famed for its role in the Liverpool and Manchester Railway and as one of the oldest surviving working locomotives.
-
D.
Locomotive
Locomotive is the nickname of El Paso Locomotive FC, a professional soccer club based in El Paso, Texas, that competes in the USL Championship.
-
E.
Nez Cassé locomotives
Nez Cassé locomotives are a distinctive series of French electric and diesel-electric locomotives recognizable by their angular “broken nose” cab design, widely used by SNCF from the 1960s onward.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Age of steam locomotives Target entity description: The Age of steam locomotives was the historical period when steam-powered railway engines dominated rail transport and drove major industrial and economic expansion worldwide.
-
A.
Cab-forward steam locomotives
Cab-forward steam locomotives were a distinctive type of steam engine with the crew cab placed at the front of the locomotive to improve visibility and reduce smoke exposure, most famously used by the Southern Pacific Railroad in mountainous terrain.
-
B.
Age of steam and sail
chosen
The Age of Steam and Sail was a transitional maritime era in the 19th century when traditional sailing ships coexisted and gradually gave way to steam-powered vessels, reshaping global naval warfare and commerce.
-
C.
Lion steam locomotive
The Lion steam locomotive is a preserved early 19th-century British steam engine famed for its role in the Liverpool and Manchester Railway and as one of the oldest surviving working locomotives.
-
D.
Locomotive
Locomotive is the nickname of El Paso Locomotive FC, a professional soccer club based in El Paso, Texas, that competes in the USL Championship.
-
E.
Nez Cassé locomotives
Nez Cassé locomotives are a distinctive series of French electric and diesel-electric locomotives recognizable by their angular “broken nose” cab design, widely used by SNCF from the 1960s onward.
- F. None of above.
Provenance (2 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_69d8e510024481908415c0d616fa6186 |
completed | April 10, 2026, 11:54 a.m. |
| NER | Named-entity recognition | batch_69e6407f1fd88190aa82c4c96f755584 |
completed | April 20, 2026, 3:04 p.m. |
Created at: April 10, 2026, 1:43 p.m.