Triple
T3172204
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Ethan Allen Express |
E66378
|
entity |
| Predicate | typicalLocomotiveModel |
P12267
|
FINISHED |
| Object |
GE P32AC-DM
The GE P32AC-DM is a dual-mode diesel-electric locomotive used primarily in the northeastern United States, capable of operating on both diesel power and third-rail electric power for routes that include non-electrified and electrified track segments.
|
E333820
|
NE FINISHED |
How this triple was built (5 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 P32AC-DM | Statement: [Amtrak Ethan Allen Express, typicalLocomotiveModel, GE P32AC-DM]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: GE P32AC-DM Context triple: [Amtrak Ethan Allen Express, typicalLocomotiveModel, GE P32AC-DM]
-
A.
GE P42DC
The GE P42DC is a diesel-electric passenger locomotive built by General Electric, widely used by Amtrak across the United States for long-distance and intercity services.
-
B.
GE P40DC
The GE P40DC is a diesel-electric passenger locomotive built by General Electric, commonly used in North American intercity and commuter rail service.
-
C.
GEKE
GEKE is the German abbreviation for the Community of Protestant Churches in Europe, a fellowship of Protestant churches committed to mutual recognition and cooperation across the continent.
-
D.
Daewoo G2X
The Daewoo G2X is a South Korean two-seat roadster sports car based on GM’s Kappa platform, closely related to the Saturn Sky and Opel GT.
-
E.
Westinghouse H2C
The Westinghouse H2C is a type of electric multiple-unit coupler system used to connect and control New York City’s R46 subway cars.
- 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: GE P32AC-DM Triple: [Amtrak Ethan Allen Express, typicalLocomotiveModel, GE P32AC-DM]
Generated description
The GE P32AC-DM is a dual-mode diesel-electric locomotive used primarily in the northeastern United States, capable of operating on both diesel power and third-rail electric power for routes that include non-electrified and electrified track segments.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: GE P32AC-DM Target entity description: The GE P32AC-DM is a dual-mode diesel-electric locomotive used primarily in the northeastern United States, capable of operating on both diesel power and third-rail electric power for routes that include non-electrified and electrified track segments.
-
A.
GE P42DC
The GE P42DC is a diesel-electric passenger locomotive built by General Electric, widely used by Amtrak across the United States for long-distance and intercity services.
-
B.
GE P40DC
The GE P40DC is a diesel-electric passenger locomotive built by General Electric, commonly used in North American intercity and commuter rail service.
-
C.
GEKE
GEKE is the German abbreviation for the Community of Protestant Churches in Europe, a fellowship of Protestant churches committed to mutual recognition and cooperation across the continent.
-
D.
Daewoo G2X
The Daewoo G2X is a South Korean two-seat roadster sports car based on GM’s Kappa platform, closely related to the Saturn Sky and Opel GT.
-
E.
Westinghouse H2C
The Westinghouse H2C is a type of electric multiple-unit coupler system used to connect and control New York City’s R46 subway cars.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: typicalLocomotiveModel Context triple: [Amtrak Ethan Allen Express, typicalLocomotiveModel, GE P32AC-DM]
-
A.
hasLocomotive
chosen
Indicates that one entity possesses or is equipped with a locomotive as part of its composition or operation.
-
B.
locomotiveWorks
Indicates a relationship where an entity is a facility or company that builds, repairs, or maintains locomotives.
-
C.
locomotiveNumber
Indicates the identifying number assigned to a locomotive in the relationship.
-
D.
associatedWithLocomotive
Indicates a relationship where something is connected or related to a locomotive, such as by use, function, origin, or context.
-
E.
rollingStockType
Indicates the specific category or type of railway rolling stock associated with an entity (e.g., locomotive, passenger car, freight wagon).
- F. None of above.
Provenance (6 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_69ad8585d7988190af37365331093ccd |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69ada66da23c81908f063b44b48b1e53 |
completed | March 8, 2026, 4:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b235e9f04c8190933e893e59e9f342 |
completed | March 12, 2026, 3:41 a.m. |
| NEDg | Description generation | batch_69b236962ee48190b37836e5fe6dbc37 |
completed | March 12, 2026, 3:44 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b2373ebca88190b50735839eab4944 |
completed | March 12, 2026, 3:47 a.m. |
| PD | Predicate disambiguation | batch_69ad9e0076b4819094628f1ad10b8f68 |
completed | March 8, 2026, 4:04 p.m. |
Created at: March 8, 2026, 3:06 p.m.