Triple

T7605934
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Cascades E180103 entity
Predicate usesRollingStockType P1305 FINISHED
Object Talgo trainsets
Talgo trainsets are lightweight, articulated passenger trains known for their tilting technology that allows higher speeds on curving tracks, widely used in various intercity rail services.
E222797 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: Talgo trainsets | Statement: [Amtrak Cascades, usesRollingStockType, Talgo trainsets]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Talgo trainsets
Context triple: [Amtrak Cascades, usesRollingStockType, Talgo trainsets]
  • A. 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.
  • B. Renfe Class Civia
    Renfe Class Civia is a family of electric multiple unit commuter trains operated by Spain’s national railway company for suburban and regional passenger services.
  • C. Renfe 447 series
    The Renfe 447 series is a class of electric multiple unit commuter trains widely used across Spain’s suburban rail networks.
  • D. Renfe 446 series
    The Renfe 446 series is a class of electric multiple unit commuter trains used extensively in Spain’s Cercanías suburban rail services.
  • 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: Talgo trainsets
Triple: [Amtrak Cascades, usesRollingStockType, Talgo trainsets]
Generated description
Talgo trainsets are lightweight, articulated passenger trains known for their tilting technology that allows higher speeds on curving tracks, widely used in various intercity rail services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Talgo trainsets
Target entity description: Talgo trainsets are lightweight, articulated passenger trains known for their tilting technology that allows higher speeds on curving tracks, widely used in various intercity rail services.
  • A. Talgo 350 chosen
    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.
  • B. Renfe Class Civia
    Renfe Class Civia is a family of electric multiple unit commuter trains operated by Spain’s national railway company for suburban and regional passenger services.
  • C. Renfe 447 series
    The Renfe 447 series is a class of electric multiple unit commuter trains widely used across Spain’s suburban rail networks.
  • D. Renfe 446 series
    The Renfe 446 series is a class of electric multiple unit commuter trains used extensively in Spain’s Cercanías suburban rail services.
  • 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.

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_69c69f3567008190ab01d2ca7b53584a completed March 27, 2026, 3:16 p.m.
NER Named-entity recognition batch_69c6f9fcfcfc8190a29a0b5cd3e8927a completed March 27, 2026, 9:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69c86853e1fc8190b16cdf779057c804 completed March 28, 2026, 11:46 p.m.
NEDg Description generation batch_69c868fb7fe48190a1b7ab0e824e2984 completed March 28, 2026, 11:49 p.m.
NED2 Entity disambiguation (via description) batch_69c8697782d48190a6830f91800d3505 completed March 28, 2026, 11:51 p.m.
Created at: March 27, 2026, 3:54 p.m.