Triple

T9174740
Position Surface form Disambiguated ID Type / Status
Subject BB 15000 E220167 entity
Predicate inspiredDesignOf P7215 FINISHED
Object SNCB Class 18
The SNCB Class 18 is a series of Belgian electric locomotives used for passenger services, derived from and visually similar to the French BB 15000 design.
 E781951 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: SNCB Class 18 | Statement: [BB 15000, inspiredDesignOf, SNCB Class 18]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: SNCB Class 18
Context triple: [BB 15000, inspiredDesignOf, SNCB Class 18]
  • A. 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.
  • B. 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.
  • 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 Z 24500
    The SNCF Class Z 24500 is a series of French double-deck electric multiple unit trains designed for regional passenger services.
  • E. 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.
  • 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: SNCB Class 18
Triple: [BB 15000, inspiredDesignOf, SNCB Class 18]
Generated description
The SNCB Class 18 is a series of Belgian electric locomotives used for passenger services, derived from and visually similar to the French BB 15000 design.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: SNCB Class 18
Target entity description: The SNCB Class 18 is a series of Belgian electric locomotives used for passenger services, derived from and visually similar to the French BB 15000 design.
  • A. 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.
  • B. 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.
  • 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 Z 24500
    The SNCF Class Z 24500 is a series of French double-deck electric multiple unit trains designed for regional passenger services.
  • E. 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.
  • 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_69ca83e467108190abcae6a33b3d4dad completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69ccbfa2f9708190a955bf28a4f04004 completed April 1, 2026, 6:48 a.m.
NED1 Entity disambiguation (via context triple) batch_69d054a36ef881908079558050c67e7c completed April 4, 2026, midnight
NEDg Description generation batch_69d05597d00c8190bdf51a53497c8042 completed April 4, 2026, 12:04 a.m.
NED2 Entity disambiguation (via description) batch_69d056619c988190a11b7eb4a31f93b2 completed April 4, 2026, 12:08 a.m.
Created at: March 30, 2026, 7:23 p.m.