Triple
T20088630
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Shay locomotive |
E496204
|
entity |
| Predicate | isRelatedTo |
P37
|
FINISHED |
| Object | Heisler locomotive |
—
|
NE NERFINISHED |
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: Heisler locomotive | Statement: [Shay locomotive, isRelatedTo, Heisler locomotive]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heisler locomotive Context triple: [Shay locomotive, isRelatedTo, Heisler locomotive]
-
A.
Heisler locomotive
chosen
A Heisler locomotive is a type of geared steam locomotive, recognizable by its V‑twin cylinder arrangement and used primarily on logging and industrial railroads for hauling heavy loads over steep, rough track.
-
B.
Forney locomotive
The Forney locomotive is a compact 19th-century steam tank locomotive type, notable for its rigid wheelbase and rear-mounted fuel and water tanks, widely used on urban elevated and commuter railways.
-
C.
Shay locomotive
The Shay locomotive is a geared steam locomotive design, widely used on logging and industrial railroads for its exceptional low-speed power and ability to handle steep grades and sharp curves.
-
D.
Climax locomotive
The Climax locomotive is a type of geared steam locomotive, known for its rugged design and ability to haul heavy loads on steep, winding logging and industrial railroads.
-
E.
USRA 2-8-8-2 articulated locomotive
The USRA 2-8-8-2 articulated locomotive was a heavy freight steam engine design developed under the United States Railroad Administration during World War I, known for its powerful compound articulated configuration used by multiple American railroads.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69da626eee3881909f3454986d4a6511 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6655d65a88190a510132f36341b6c |
completed | April 20, 2026, 5:41 p.m. |
Created at: April 11, 2026, 11:17 p.m.