Triple

T21710274
Position Surface form Disambiguated ID Type / Status
Subject Renfe Alvia E535883 entity
Predicate usesTrainFamily P145050 FINISHED
Object Talgo variable-gauge trainsets — NE NERFINISHED

How this triple was built (3 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: Talgo variable-gauge trainsets | Statement: [Renfe Alvia, usesTrainFamily, Talgo variable-gauge trainsets]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Talgo variable-gauge trainsets
Context triple: [Renfe Alvia, usesTrainFamily, Talgo variable-gauge trainsets]
  • A. Talgo variable gauge system chosen
    The Talgo variable gauge system is a railway technology that allows train wheelsets to automatically adjust between different track gauges while in motion, enabling seamless cross-border or mixed-gauge operation.
  • B. Talgo 350
    The Talgo 350 is a high-speed electric train developed by Spanish manufacturer Talgo, designed for very fast intercity services and widely used on premium high-speed rail lines.
  • C. Adtranz–CAF EMU trains
    Adtranz–CAF EMU trains are electric multiple-unit passenger trains jointly built by Adtranz and CAF, commonly used for high-frequency airport rail services.
  • D. Avelia Liberty trainset
    The Avelia Liberty trainset is a high-speed, tilting electric multiple unit designed by Alstom for Amtrak’s next-generation premium service in the United States.
  • E. X'Trapolis EMU
    The X'Trapolis EMU is a modern electric multiple unit train used for suburban passenger services on Melbourne’s metropolitan rail network.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: usesTrainFamily
Context triple: [Renfe Alvia, usesTrainFamily, Talgo variable-gauge trainsets]
  • A. trainFamily
    Indicates that one entity trains, educates, or prepares another entity within a family or familial context.
  • B. hasFamilyRide
    Indicates that an entity offers or is associated with a ride or attraction designed to be suitable and enjoyable for families.
  • C. usedByFamily
    Indicates that something is regularly utilized or consumed by a family as a group.
  • D. maintainsTrainsFor
    Indicates that one entity is responsible for servicing, repairing, or otherwise keeping trains operational for another entity.
  • E. usesTrainNumber
    Indicates that one entity operates, identifies, or references another entity by a specific train number.
  • F. None of above. chosen

Provenance (4 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_69e0c46b44c0819088ab883ebd44e0e8 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69efb5333c8481909d729fb3bc3c9bc5 completed April 27, 2026, 7:12 p.m.
PD Predicate disambiguation batch_69e6969725bc81908e7ad19619ba2688 completed April 20, 2026, 9:11 p.m.
PDg Predicate description generation batch_69e69b4aa2b48190830107391e81571a completed April 20, 2026, 9:31 p.m.
Created at: April 16, 2026, 6:46 p.m.