Triple

T6457581
Position Surface form Disambiguated ID Type / Status
Subject Renfe Operadora E142030 entity
Predicate subsidiary P258 FINISHED
Object Renfe Fabricación y Mantenimiento
Renfe Fabricación y Mantenimiento is a Spanish company specializing in the construction, overhaul, and technical maintenance of railway rolling stock and related rail systems.
 E621232 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: Renfe Fabricación y Mantenimiento | Statement: [Renfe Operadora, subsidiary, Renfe Fabricación y Mantenimiento]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Renfe Fabricación y Mantenimiento
Context triple: [Renfe Operadora, subsidiary, Renfe Fabricación y Mantenimiento]
  • A. Renfe Operadora
    Renfe Operadora is Spain’s national state-owned railway company, responsible for operating most passenger and freight rail services across the country.
  • B. Renfe Mercancías
    Renfe Mercancías is the freight transport division of Spain’s national railway operator, specializing in the movement of goods by rail across the Iberian Peninsula and beyond.
  • C. Renfe Cercanías
    Renfe Cercanías is Spain’s suburban and commuter rail service network, operating frequent regional trains that connect major cities with their surrounding metropolitan areas.
  • D. Renfe Alquiler de Material Ferroviario
    Renfe Alquiler de Material Ferroviario is a Renfe Operadora company dedicated to leasing railway rolling stock and related rail equipment.
  • E. Renfe Alvia
    Renfe Alvia is a Spanish long-distance high-speed train service operated by Renfe that combines standard and variable-gauge rolling stock to connect major cities across both high-speed and conventional rail 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: Renfe Fabricación y Mantenimiento
Triple: [Renfe Operadora, subsidiary, Renfe Fabricación y Mantenimiento]
Generated description
Renfe Fabricación y Mantenimiento is a Spanish company specializing in the construction, overhaul, and technical maintenance of railway rolling stock and related rail systems.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Renfe Fabricación y Mantenimiento
Target entity description: Renfe Fabricación y Mantenimiento is a Spanish company specializing in the construction, overhaul, and technical maintenance of railway rolling stock and related rail systems.
  • A. Renfe Operadora
    Renfe Operadora is Spain’s national state-owned railway company, responsible for operating most passenger and freight rail services across the country.
  • B. Renfe Mercancías
    Renfe Mercancías is the freight transport division of Spain’s national railway operator, specializing in the movement of goods by rail across the Iberian Peninsula and beyond.
  • C. Renfe Cercanías
    Renfe Cercanías is Spain’s suburban and commuter rail service network, operating frequent regional trains that connect major cities with their surrounding metropolitan areas.
  • D. Renfe Alquiler de Material Ferroviario
    Renfe Alquiler de Material Ferroviario is a Renfe Operadora company dedicated to leasing railway rolling stock and related rail equipment.
  • E. Renfe Alvia
    Renfe Alvia is a Spanish long-distance high-speed train service operated by Renfe that combines standard and variable-gauge rolling stock to connect major cities across both high-speed and conventional rail lines.
  • 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_69c008d2f91c8190a8178767a35e08fc completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c069d758508190b9c7358ef84f8169 completed March 22, 2026, 10:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69c723aba0f0819091ba9aa4184bf1d5 completed March 28, 2026, 12:41 a.m.
NEDg Description generation batch_69c72485150081908ce170d526a9b7bd completed March 28, 2026, 12:44 a.m.
NED2 Entity disambiguation (via description) batch_69c7250865808190a1d20e8fe6f9de49 completed March 28, 2026, 12:47 a.m.
Created at: March 22, 2026, 4:48 p.m.