Triple
T1320821
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Shore Line East |
E28212
|
entity |
| Predicate | usesLocomotiveModel |
P5426
|
FINISHED |
| Object |
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.
|
E150843
|
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 P40DC | Statement: [Shore Line East, usesLocomotiveModel, GE P40DC]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: GE P40DC Context triple: [Shore Line East, usesLocomotiveModel, GE P40DC]
-
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
GE is the ISO 3166-1 alpha-2 country code for Georgia, a nation at the crossroads of Eastern Europe and Western Asia.
-
C.
GE
GE is the Swiss canton code for Geneva, a major city and canton in western Switzerland known for its international organizations and financial center.
-
D.
GE P42DC (on non-electrified segments historically)
The GE P42DC is a diesel-electric passenger locomotive built by General Electric for Amtrak and other operators, widely used across North American intercity rail services.
-
E.
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.
- 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 P40DC Triple: [Shore Line East, usesLocomotiveModel, GE P40DC]
Generated description
The GE P40DC is a diesel-electric passenger locomotive built by General Electric, commonly used in North American intercity and commuter rail service.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: GE P40DC Target entity description: The GE P40DC is a diesel-electric passenger locomotive built by General Electric, commonly used in North American intercity and commuter rail service.
-
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
GE is the ISO 3166-1 alpha-2 country code for Georgia, a nation at the crossroads of Eastern Europe and Western Asia.
-
C.
GE
GE is the Swiss canton code for Geneva, a major city and canton in western Switzerland known for its international organizations and financial center.
-
D.
GE P42DC (on non-electrified segments historically)
The GE P42DC is a diesel-electric passenger locomotive built by General Electric for Amtrak and other operators, widely used across North American intercity rail services.
-
E.
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.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: usesLocomotiveModel Context triple: [Shore Line East, usesLocomotiveModel, GE P40DC]
-
A.
hasLocomotive
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.
usesRollingStock
chosen
Indicates that one entity employs or operates specific rolling stock (such as rail vehicles) in its activities or services.
-
D.
operatedLocomotiveWorksAt
Indicates that an entity operated a locomotive works facility at a specific location.
-
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_69a498540a2481909e807a762280d3ba |
completed | March 1, 2026, 7:49 p.m. |
| NER | Named-entity recognition | batch_69a4c19932888190a3d45871e84f112e |
completed | March 1, 2026, 10:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acbaf6a6d08190b8a30c2c64f15f59 |
completed | March 7, 2026, 11:55 p.m. |
| NEDg | Description generation | batch_69acbbd8b6b881908412e5ab5d9baf79 |
completed | March 7, 2026, 11:59 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69acbd0dcf74819093b5985b0f3bc8a2 |
completed | March 8, 2026, 12:04 a.m. |
| PD | Predicate disambiguation | batch_69a4beedb49c8190beb5b85cdda05013 |
completed | March 1, 2026, 10:34 p.m. |
Created at: March 1, 2026, 7:55 p.m.