Triple

T8719842
Position Surface form Disambiguated ID Type / Status
Subject Transport Express Régional E206983 entity
Predicate usesRollingStockModel P5426 FINISHED
Object SNCF Class Z 51500
The SNCF Class Z 51500 is a type of modern electric multiple unit train operated in regional passenger service across the French railway network.
 E766799 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 Z 51500 | Statement: [Transport Express Régional, usesRollingStockModel, SNCF Class Z 51500]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: SNCF Class Z 51500
Context triple: [Transport Express Régional, usesRollingStockModel, SNCF Class Z 51500]
  • A. SNCF Class Z 27500
    The SNCF Class Z 27500 is a series of modern electric multiple units operated by the French national railway company for regional passenger services.
  • B. SNCF Class Z 26500
    The SNCF Class Z 26500 is a fleet of French double-deck electric multiple unit trains designed for regional passenger services.
  • C. SNCF Class Z 24500
    The SNCF Class Z 24500 is a series of French double-deck electric multiple unit trains designed for regional passenger services.
  • D. SNCF Class Z 23500
    The SNCF Class Z 23500 is a type of French electric multiple unit train designed for regional passenger services, particularly on the Réseau Express Régional (RER) and other suburban lines.
  • E. SNCF Z 8800
    The SNCF Z 8800 is a class of French dual-voltage electric multiple units used primarily for suburban and regional commuter services around Paris.
  • 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 Z 51500
Triple: [Transport Express Régional, usesRollingStockModel, SNCF Class Z 51500]
Generated description
The SNCF Class Z 51500 is a type of modern electric multiple unit train operated in regional passenger service across the French railway network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: SNCF Class Z 51500
Target entity description: The SNCF Class Z 51500 is a type of modern electric multiple unit train operated in regional passenger service across the French railway network.
  • A. SNCF Class Z 27500
    The SNCF Class Z 27500 is a series of modern electric multiple units operated by the French national railway company for regional passenger services.
  • B. SNCF Class Z 26500
    The SNCF Class Z 26500 is a fleet of French double-deck electric multiple unit trains designed for regional passenger services.
  • C. SNCF Class Z 24500
    The SNCF Class Z 24500 is a series of French double-deck electric multiple unit trains designed for regional passenger services.
  • D. SNCF Class Z 23500
    The SNCF Class Z 23500 is a type of French electric multiple unit train designed for regional passenger services, particularly on the Réseau Express Régional (RER) and other suburban lines.
  • E. SNCF Z 8800
    The SNCF Z 8800 is a class of French dual-voltage electric multiple units used primarily for suburban and regional commuter services around Paris.
  • 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_69ca835811d8819081ea00fd2a2c9a1c completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc5d02a52c81909f93622ae6920b80 completed March 31, 2026, 11:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69cfb9fc625c8190bd8fc4e9e456e922 completed April 3, 2026, 1 p.m.
NEDg Description generation batch_69cfbe6aef808190bee156e131cb386c completed April 3, 2026, 1:19 p.m.
NED2 Entity disambiguation (via description) batch_69cfbee79c0c8190a9492dde17385223 completed April 3, 2026, 1:21 p.m.
Created at: March 30, 2026, 6:36 p.m.