Triple
T19612167
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Wolverine (Amtrak train) |
E470758
|
entity |
| Predicate | previousLocomotiveType |
P136467
|
FINISHED |
| Object | GE Genesis locomotives |
—
|
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: GE Genesis locomotives | Statement: [Wolverine (Amtrak train), previousLocomotiveType, GE Genesis locomotives]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: GE Genesis locomotives Context triple: [Wolverine (Amtrak train), previousLocomotiveType, GE Genesis locomotives]
-
A.
GE U-series locomotives
GE U-series locomotives are a family of diesel-electric freight and passenger locomotives built by General Electric from the 1960s onward, known for their high horsepower and widespread use on railroads around the world.
-
B.
GE AC4400CW locomotives
GE AC4400CW locomotives are heavy-duty, six-axle diesel-electric freight locomotives built by General Electric, widely used in North America for high-horsepower mainline service.
-
C.
GE P42DC locomotives
chosen
GE P42DC locomotives are diesel-electric passenger locomotives built by General Electric, widely used across North American intercity rail services for their reliability and high-speed capabilities.
-
D.
GE P40DC locomotives
GE P40DC locomotives are diesel-electric passenger locomotives built by General Electric in the early 1990s, primarily used by Amtrak as part of its Genesis series.
-
E.
General Electric locomotives
General Electric locomotives are a family of diesel and electric railway engines produced by General Electric that are widely used for both freight and passenger service around the world.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: previousLocomotiveType Context triple: [Wolverine (Amtrak train), previousLocomotiveType, GE Genesis locomotives]
-
A.
laterLocomotiveType
Indicates that one locomotive type succeeds or comes after another in time, representing a later development or version in locomotive design.
-
B.
primaryLocomotiveType
Indicates the main method or mechanism by which an entity typically moves or travels.
-
C.
locomotiveTypeContext
Indicates the contextual relationship specifying the type or classification of a locomotive involved in a given situation or usage.
-
D.
typicalLocomotiveClass
Indicates that one locomotive class is the standard or most commonly used class for a given context, operator, or service.
-
E.
usedLocomotives
Indicates that an entity employed locomotives as tools, resources, or means to perform an action or fulfill a function.
- F. None of above. chosen
Provenance (4 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_69d8e510fa248190b7afb274a1d4cf73 |
completed | April 10, 2026, 11:54 a.m. |
| NER | Named-entity recognition | batch_69e640cbeda08190addb1adf84af4993 |
completed | April 20, 2026, 3:05 p.m. |
| PD | Predicate disambiguation | batch_69e514e166dc8190a0f147e0b4c8bbe7 |
completed | April 19, 2026, 5:46 p.m. |
| PDg | Predicate description generation | batch_69e5174b060c81908937ff9ff7fce611 |
completed | April 19, 2026, 5:56 p.m. |
Created at: April 10, 2026, 1:43 p.m.