Triple
T12391383
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Milton line |
E296000
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object |
MPI MP40PH-3C locomotives
The MPI MP40PH-3C is a series of high-horsepower diesel-electric commuter locomotives built by MotivePower Industries, widely used by GO Transit in the Greater Toronto Area.
|
E982756
|
NE FINISHED |
How this triple was built (4 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: MPI MP40PH-3C locomotives | Statement: [Milton line, rollingStock, MPI MP40PH-3C locomotives]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MPI MP40PH-3C locomotives Context triple: [Milton line, rollingStock, MPI MP40PH-3C locomotives]
-
A.
MPI MP36PH-3C locomotive
The MPI MP36PH-3C is a diesel-electric passenger locomotive commonly used in North American commuter rail service for hauling bi-level coach trains.
-
B.
MPI MP54AC locomotive
The MPI MP54AC locomotive is a modern diesel-electric passenger locomotive built by MotivePower, designed for high-horsepower commuter rail service with AC traction technology.
-
C.
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.
-
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.
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: MPI MP40PH-3C locomotives Triple: [Milton line, rollingStock, MPI MP40PH-3C locomotives]
Generated description
The MPI MP40PH-3C is a series of high-horsepower diesel-electric commuter locomotives built by MotivePower Industries, widely used by GO Transit in the Greater Toronto Area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MPI MP40PH-3C locomotives Target entity description: The MPI MP40PH-3C is a series of high-horsepower diesel-electric commuter locomotives built by MotivePower Industries, widely used by GO Transit in the Greater Toronto Area.
-
A.
MPI MP36PH-3C locomotive
The MPI MP36PH-3C is a diesel-electric passenger locomotive commonly used in North American commuter rail service for hauling bi-level coach trains.
-
B.
MPI MP54AC locomotive
The MPI MP54AC locomotive is a modern diesel-electric passenger locomotive built by MotivePower, designed for high-horsepower commuter rail service with AC traction technology.
-
C.
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.
-
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.
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.
- F. None of above. chosen
Provenance (5 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_69d6ad9e653c8190b1473c860ee53dae |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d93fd0bcc48190bb1a59a3aaa6bfdf |
completed | April 10, 2026, 6:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6347c239881909a031e9e195080c9 |
completed | May 2, 2026, 5:29 p.m. |
| NEDg | Description generation | batch_69f63674aa3c81908ba82a9d246b3b3a |
completed | May 2, 2026, 5:37 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f63a9b32fc8190ab98492ff91d2a66 |
completed | May 2, 2026, 5:55 p.m. |
Created at: April 8, 2026, 9:54 p.m.