Triple
T20082680
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | EMD GP series |
E500041
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object | Electro-Motive Diesel |
—
|
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 Diesel | Statement: [EMD GP series, manufacturer, Electro-Motive Diesel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Electro-Motive Diesel Context triple: [EMD GP series, manufacturer, Electro-Motive Diesel]
-
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.
EMD F-series
The EMD F-series is a line of iconic American diesel-electric freight and passenger locomotives built by General Motors’ Electro-Motive Division from the 1930s through the 1950s, known for their streamlined “bulldog” nose design and widespread use in the transition from steam to diesel power.
-
D.
Cummins
Cummins is a global power technology company best known for designing, manufacturing, and servicing diesel and alternative-fuel engines and related power systems.
-
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_69da627770948190997f486f9a2e370f |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6655946f48190a6b4cb13ea4e212a |
completed | April 20, 2026, 5:41 p.m. |
Created at: April 11, 2026, 3:41 p.m.