Triple

T8946665
Position Surface form Disambiguated ID Type / Status
Subject BB 22200 E213236 entity
Predicate designLineage P11817 FINISHED
Object SNCF Class BB 15000
The SNCF Class BB 15000 is a series of French electric locomotives built for high-speed passenger service on the 25 kV AC network, known for their reliability and extensive use on mainline routes such as the Paris–Strasbourg line.
 E811012 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 15000 | Statement: [BB 22200, designLineage, SNCF Class BB 15000]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: SNCF Class BB 15000
Context triple: [BB 22200, designLineage, SNCF Class BB 15000]
  • 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 BB 22200
    The SNCF Class BB 22200 is a series of French dual-voltage electric locomotives widely used for both passenger and freight services across the national rail network.
  • C. 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.
  • 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 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 15000
Triple: [BB 22200, designLineage, SNCF Class BB 15000]
Generated description
The SNCF Class BB 15000 is a series of French electric locomotives built for high-speed passenger service on the 25 kV AC network, known for their reliability and extensive use on mainline routes such as the Paris–Strasbourg line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: SNCF Class BB 15000
Target entity description: The SNCF Class BB 15000 is a series of French electric locomotives built for high-speed passenger service on the 25 kV AC network, known for their reliability and extensive use on mainline routes such as the Paris–Strasbourg line.
  • 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 BB 22200
    The SNCF Class BB 22200 is a series of French dual-voltage electric locomotives widely used for both passenger and freight services across the national rail network.
  • C. 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.
  • 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 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_69ca839843408190a39069a029a89f15 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc66dd00c481908ff20fd66c1954cc completed April 1, 2026, 12:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69d178b408c8819080cd15c1efcd7002 completed April 4, 2026, 8:46 p.m.
NEDg Description generation batch_69d17df1bb3c819097ff93db69a057ed completed April 4, 2026, 9:09 p.m.
NED2 Entity disambiguation (via description) batch_69d17e43299481908e112bb82b52a941 completed April 4, 2026, 9:10 p.m.
Created at: March 30, 2026, 6:59 p.m.