Triple
T17287260
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | EMD F40PH |
E419690
|
entity |
| Predicate | primeMover |
P19407
|
FINISHED |
| Object | EMD 16-645E3 |
E609867
|
NE FINISHED |
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 16-645E3 | Statement: [EMD F40PH, primeMover, EMD 16-645E3]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: EMD 16-645E3 Context triple: [EMD F40PH, primeMover, EMD 16-645E3]
-
A.
EMD 710
The EMD 710 is a family of two-stroke diesel locomotive and marine engines widely used for their high power output and reliability in heavy-duty rail and marine applications.
-
B.
EMD 645 series
The EMD 645 series is a family of two-stroke diesel locomotive engines widely used in North American freight and passenger locomotives from the 1960s onward.
-
C.
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.
-
D.
EMD 12-710G3C-EC
The EMD 12-710G3C-EC is a 12-cylinder, two-stroke diesel locomotive engine from Electro-Motive Diesel’s 710 series, widely used in modern North American passenger locomotives.
-
E.
EMD FT locomotive
The EMD FT locomotive is a pioneering diesel-electric freight locomotive introduced in the late 1930s that helped establish Electro-Motive Division as a leader in replacing steam power on American railroads.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d886db32608190a61e18862c5a8af6 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e43780fad88190b82193c8335e2f11 |
completed | April 19, 2026, 2:01 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a017957c738819087341bcd51b55114 |
completed | May 11, 2026, 6:38 a.m. |
Created at: April 10, 2026, 5:40 a.m.