Triple
T17423454
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MPI F40PH-3C |
E423675
|
entity |
| Predicate | hasPrimeMover |
P14429
|
FINISHED |
| Object | EMD 645-series diesel engine |
—
|
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: EMD 645-series diesel engine | Statement: [MPI F40PH-3C, hasPrimeMover, EMD 645-series diesel engine]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: EMD 645-series diesel engine Context triple: [MPI F40PH-3C, hasPrimeMover, EMD 645-series diesel engine]
-
A.
EMD 645-series diesel engine
chosen
The EMD 645-series diesel engine is a family of two-stroke, turbocharged locomotive powerplants widely used in North American diesel-electric locomotives from the late 1960s onward.
-
B.
Detroit Diesel 6V53
The Detroit Diesel 6V53 is a compact, two-stroke V6 diesel engine widely used in military vehicles and other heavy-duty applications for its durability and high power-to-weight ratio.
-
C.
MTU diesel engine
The MTU diesel engine is a high-performance, military-grade powerplant produced by MTU Friedrichshafen, widely used in armored vehicles and other heavy-duty applications for its reliability and power density.
-
D.
EMC/EMD diesel locomotives
EMC/EMD diesel locomotives are a family of North American diesel-electric engines built by Electro-Motive Corporation/Division that played a major role in replacing steam power on many railroads.
-
E.
General Motors 6046 diesel engine
The General Motors 6046 diesel engine is a World War II–era twin inline-six powerplant, created by coupling two GM 6-71 engines to drive armored vehicles such as U.S. tank destroyers and medium tanks.
- 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_69d889d88b6081908bada047f5b3ba51 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e44238b418819095c6a013d3ff3b17 |
completed | April 19, 2026, 2:47 a.m. |
Created at: April 10, 2026, 5:46 a.m.