Triple
T8826818
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Corail coaches |
E210034
|
entity |
| Predicate | typicalLocomotiveClass |
P84844
|
FINISHED |
| Object |
SNCF Class BB 26000
The SNCF Class BB 26000, also known as the "Sybic," is a powerful French dual-voltage electric locomotive class used for both passenger and freight services across much of the national rail network.
|
E802762
|
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: SNCF Class BB 26000 | Statement: [Corail coaches, typicalLocomotiveClass, SNCF Class BB 26000]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SNCF Class BB 26000 Context triple: [Corail coaches, typicalLocomotiveClass, SNCF Class BB 26000]
-
A.
SNCF Class B 82500
The SNCF Class B 82500 is a type of bi-mode regional multiple unit train operated in France for medium-distance passenger services.
-
B.
SNCF Class B 83500
The SNCF Class B 83500 is a type of bi-mode regional multiple unit train operated in France, notably used for TER regional services.
-
C.
SNCF Class B 84500
The SNCF Class B 84500 is a type of modern bi-mode regional multiple unit train operated in France for medium-distance passenger services.
-
D.
SNCF Class B 81500
The SNCF Class B 81500 is a type of bi-mode regional multiple unit train operated in France for local and regional passenger services.
-
E.
SNCF Class X 72500
The SNCF Class X 72500 is a series of French diesel multiple units built in the late 1990s for regional passenger services, notable for their distinctive design and use on non-electrified lines.
- 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: SNCF Class BB 26000 Triple: [Corail coaches, typicalLocomotiveClass, SNCF Class BB 26000]
Generated description
The SNCF Class BB 26000, also known as the "Sybic," is a powerful French dual-voltage electric locomotive class used for both passenger and freight services across much of the national rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: SNCF Class BB 26000 Target entity description: The SNCF Class BB 26000, also known as the "Sybic," is a powerful French dual-voltage electric locomotive class used for both passenger and freight services across much of the national rail network.
-
A.
SNCF Class B 82500
The SNCF Class B 82500 is a type of bi-mode regional multiple unit train operated in France for medium-distance passenger services.
-
B.
SNCF Class B 83500
The SNCF Class B 83500 is a type of bi-mode regional multiple unit train operated in France, notably used for TER regional services.
-
C.
SNCF Class B 84500
The SNCF Class B 84500 is a type of modern bi-mode regional multiple unit train operated in France for medium-distance passenger services.
-
D.
SNCF Class B 81500
The SNCF Class B 81500 is a type of bi-mode regional multiple unit train operated in France for local and regional passenger services.
-
E.
SNCF Class X 72500
The SNCF Class X 72500 is a series of French diesel multiple units built in the late 1990s for regional passenger services, notable for their distinctive design and use on non-electrified lines.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: typicalLocomotiveClass Context triple: [Corail coaches, typicalLocomotiveClass, SNCF Class BB 26000]
-
A.
hasLocomotive
Indicates that one entity possesses or is equipped with a locomotive as part of its composition or operation.
-
B.
locomotiveConfiguration
Indicates the specific arrangement and type of power and running units (e.g., wheel or axle layout) that define how a locomotive is configured.
-
C.
railroadClass
Indicates the classification or category of a railroad according to an established system (e.g., by size, revenue, or regulatory status).
-
D.
locomotiveNumber
Indicates the identifying number assigned to a locomotive in the relationship.
-
E.
locomotiveWorks
Indicates a relationship where an entity is a facility or company that builds, repairs, or maintains locomotives.
- F. None of above. chosen
Provenance (7 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_69ca8365b28081909e48e45e95dfc405 |
completed | March 30, 2026, 2:06 p.m. |
| NER | Named-entity recognition | batch_69cc6034e8dc819099116d772e87569a |
completed | April 1, 2026, midnight |
| NED1 | Entity disambiguation (via context triple) | batch_69d12cb799d0819093256f96df60b16b |
completed | April 4, 2026, 3:22 p.m. |
| NEDg | Description generation | batch_69d1309960c08190aaf1a362cdb47a77 |
completed | April 4, 2026, 3:39 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d131024f488190b1cf670f5ddf3637 |
completed | April 4, 2026, 3:40 p.m. |
| PD | Predicate disambiguation | batch_69cc5c23d08481908d8c9b0ad3d1dc00 |
completed | March 31, 2026, 11:43 p.m. |
| PDg | Predicate description generation | batch_69cc5cff3608819081d2d7e5c16d44b7 |
completed | March 31, 2026, 11:47 p.m. |
Created at: March 30, 2026, 6:46 p.m.