Triple
T20748297
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | EMD SD70 series locomotives |
E510645
|
entity |
| Predicate | designedBy |
P184
|
FINISHED |
| Object | Electro-Motive Division engineering department |
—
|
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 Division engineering department | Statement: [EMD SD70 series locomotives, designedBy, Electro-Motive Division engineering department]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Electro-Motive Division engineering department Context triple: [EMD SD70 series locomotives, designedBy, Electro-Motive Division engineering department]
-
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.
Locomotive Works
Locomotive Works is the section of the Derby railway works dedicated to the construction, maintenance, and repair of railway locomotives.
-
C.
Lima Locomotive Works
Lima Locomotive Works was a prominent American manufacturer best known for producing innovative steam locomotives, including the powerful "Super Power" designs that significantly advanced railroad performance in the early 20th century.
-
D.
Pullman Works
Pullman Works was a major railcar manufacturing and repair facility historically associated with the Pullman Company in Chicago, Illinois.
-
E.
EMD 645-series diesel engine
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.
- 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_69e0b4c845e88190b4c5f3ae79291182 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c226fbf881909794eff3ee9e206b |
completed | April 21, 2026, 12:17 a.m. |
Created at: April 16, 2026, 12:33 p.m.