Triple

T8826819
Position Surface form Disambiguated ID Type / Status
Subject Corail coaches E210034 entity
Predicate typicalLocomotiveClass P84844 FINISHED
Object SNCF Class BB 7200
The SNCF Class BB 7200 is a series of French electric locomotives introduced in the late 1970s, widely used for both passenger and freight services on the 1.5 kV DC network.
 E803691 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: SNCF Class BB 7200 | Statement: [Corail coaches, typicalLocomotiveClass, SNCF Class BB 7200]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: SNCF Class BB 7200
Context triple: [Corail coaches, typicalLocomotiveClass, SNCF Class BB 7200]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. SNCF Class X 76500
    The SNCF Class X 76500 is a modern diesel multiple unit train operated by the French national railway company for regional passenger services.
  • E. 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.
  • 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 7200
Triple: [Corail coaches, typicalLocomotiveClass, SNCF Class BB 7200]
Generated description
The SNCF Class BB 7200 is a series of French electric locomotives introduced in the late 1970s, widely used for both passenger and freight services on the 1.5 kV DC network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: SNCF Class BB 7200
Target entity description: The SNCF Class BB 7200 is a series of French electric locomotives introduced in the late 1970s, widely used for both passenger and freight services on the 1.5 kV DC network.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. SNCF Class X 76500
    The SNCF Class X 76500 is a modern diesel multiple unit train operated by the French national railway company for regional passenger services.
  • E. 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.
  • 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_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_69d139a069f881909cc59bad0f110830 completed April 4, 2026, 4:17 p.m.
NEDg Description generation batch_69d13bb4e3688190aaf6a0ba117296ae completed April 4, 2026, 4:26 p.m.
NED2 Entity disambiguation (via description) batch_69d13c1b8fd481909dc4a98d64301d2f completed April 4, 2026, 4:28 p.m.
Created at: March 30, 2026, 6:46 p.m.