Triple
T20179435
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | EMC/EMD diesel locomotives |
E492686
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object | Electro-Motive Corporation |
—
|
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: Electro-Motive Corporation | Statement: [EMC/EMD diesel locomotives, manufacturer, Electro-Motive Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Electro-Motive Corporation Context triple: [EMC/EMD diesel locomotives, manufacturer, Electro-Motive Corporation]
-
A.
Electro-Motive Division
chosen
Electro-Motive Division was a major American manufacturer of diesel-electric locomotives that played a leading role in the transition from steam to diesel power on North American railroads.
-
B.
MotivePower Industries
MotivePower Industries is an American locomotive manufacturer known for producing modern diesel-electric passenger and freight locomotives for North American railroads.
-
C.
Westinghouse Air Brake Company
Westinghouse Air Brake Company was an American industrial firm founded by George Westinghouse, best known for pioneering railway air brake technology that greatly improved train safety and efficiency.
-
D.
American Locomotive Company
The American Locomotive Company was a major U.S. manufacturer of steam and diesel locomotives and other heavy machinery in the late 19th and early 20th centuries.
-
E.
General Electric Transportation
General Electric Transportation is a major American manufacturer of locomotives and rail equipment, known for producing diesel-electric engines used by freight and passenger railroads worldwide.
- 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_69da6268a034819081cbd9ea5a1c9475 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e668edf27881909820f9103e72533e |
completed | April 20, 2026, 5:57 p.m. |
Created at: April 11, 2026, 11:36 p.m.