Triple
T12076469
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MPI MP36PH-3C |
E287561
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object |
MotivePower Industries
MotivePower Industries is an American locomotive manufacturer known for producing modern diesel-electric passenger and freight locomotives for North American railroads.
|
E964208
|
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: MotivePower Industries | Statement: [MPI MP36PH-3C, manufacturer, MotivePower Industries]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MotivePower Industries Context triple: [MPI MP36PH-3C, manufacturer, MotivePower Industries]
-
A.
Electro-Motive Division
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.
General Electric Transportation
General Electric Transportation is a major American manufacturer of locomotives and rail equipment, known for producing diesel-electric engines used by freight and passenger railroads worldwide.
-
C.
Locomotive Works
Locomotive Works is the section of the Derby railway works dedicated to the construction, maintenance, and repair of railway locomotives.
-
D.
Westinghouse Amrail Company
Westinghouse Amrail Company was a railcar manufacturing firm known for producing New York City’s R68 subway cars.
-
E.
Westinghouse Air Brake Company
Westinghouse Air Brake Company was an American industrial firm founded by George Westinghouse, best known for pioneering railway air brake technology that greatly improved train safety and efficiency.
- 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: MotivePower Industries Triple: [MPI MP36PH-3C, manufacturer, MotivePower Industries]
Generated description
MotivePower Industries is an American locomotive manufacturer known for producing modern diesel-electric passenger and freight locomotives for North American railroads.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MotivePower Industries Target entity description: MotivePower Industries is an American locomotive manufacturer known for producing modern diesel-electric passenger and freight locomotives for North American railroads.
-
A.
Electro-Motive Division
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.
General Electric Transportation
General Electric Transportation is a major American manufacturer of locomotives and rail equipment, known for producing diesel-electric engines used by freight and passenger railroads worldwide.
-
C.
Locomotive Works
Locomotive Works is the section of the Derby railway works dedicated to the construction, maintenance, and repair of railway locomotives.
-
D.
Westinghouse Amrail Company
Westinghouse Amrail Company was a railcar manufacturing firm known for producing New York City’s R68 subway cars.
-
E.
Westinghouse Air Brake Company
Westinghouse Air Brake Company was an American industrial firm founded by George Westinghouse, best known for pioneering railway air brake technology that greatly improved train safety and efficiency.
- 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_69d6ab4846e081908ee7bbd66a6d3459 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d9045ceeec81909427cae8972eed26 |
completed | April 10, 2026, 2:08 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f5f660f48881908d50bf27b0892953 |
completed | May 2, 2026, 1:04 p.m. |
| NEDg | Description generation | batch_69f5ff815b748190932bfe163ea2847d |
completed | May 2, 2026, 1:43 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f60185ce8c8190abe3b1f633aac55d |
completed | May 2, 2026, 1:52 p.m. |
Created at: April 8, 2026, 9:48 p.m.