Triple
T20658991
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | EMD SD40-2 |
E507704
|
entity |
| Predicate | controlSystem |
P840
|
FINISHED |
| Object | EMD Dash-2 modular electronics |
—
|
NE NERFINISHED |
How this triple was built (3 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 Dash-2 modular electronics | Statement: [EMD SD40-2, controlSystem, EMD Dash-2 modular electronics]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: EMD Dash-2 modular electronics Context triple: [EMD SD40-2, controlSystem, EMD Dash-2 modular electronics]
-
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 567
The EMD 567 is a series of two-stroke diesel locomotive engines developed by General Motors’ Electro-Motive Division that powered many North American locomotives from the mid-20th century.
-
C.
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.
-
D.
EMD DM30AC locomotives
EMD DM30AC locomotives are dual-mode diesel-electric locomotives built for the Long Island Rail Road, capable of operating in both diesel and third-rail electric modes to serve non-electrified and electrified territory.
-
E.
EMD F125
The EMD F125 is a modern diesel-electric passenger locomotive built by Electro-Motive Diesel for commuter rail service, featuring improved emissions performance, higher power output, and updated safety and control systems compared to its predecessors.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: EMD Dash-2 modular electronics Target entity description: EMD Dash-2 modular electronics is a standardized, modular control and diagnostic system introduced by Electro-Motive Division to improve the reliability, maintainability, and performance of its Dash-2 series diesel-electric locomotives.
-
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 567
The EMD 567 is a series of two-stroke diesel locomotive engines developed by General Motors’ Electro-Motive Division that powered many North American locomotives from the mid-20th century.
-
C.
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.
-
D.
EMD DM30AC locomotives
EMD DM30AC locomotives are dual-mode diesel-electric locomotives built for the Long Island Rail Road, capable of operating in both diesel and third-rail electric modes to serve non-electrified and electrified territory.
-
E.
EMD F125
The EMD F125 is a modern diesel-electric passenger locomotive built by Electro-Motive Diesel for commuter rail service, featuring improved emissions performance, higher power output, and updated safety and control systems compared to its predecessors.
- F. None of above. chosen
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_69e0b4bf58c081908e52a4500e03ff83 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6b2eefd5c8190a71d4be690a6ae0e |
completed | April 20, 2026, 11:12 p.m. |
Created at: April 16, 2026, 11:43 a.m.