Triple

T8142081
Position Surface form Disambiguated ID Type / Status
Subject Alstom multiple units E190120 entity
Predicate hasSubclass P1244 FINISHED
Object Alstom Class 460
The Alstom Class 460 is a fleet of electric multiple-unit trains built by Alstom for use on the Gatwick Express service between London Victoria and Gatwick Airport in the United Kingdom.
 E740345 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: Alstom Class 460 | Statement: [Alstom multiple units, hasSubclass, Alstom Class 460]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Alstom Class 460
Context triple: [Alstom multiple units, hasSubclass, Alstom Class 460]
  • A. Alstom Class 180
    The Alstom Class 180 is a high-speed diesel multiple unit train used on intercity passenger services in the United Kingdom.
  • B. Alstom Class 334
    The Alstom Class 334 is a fleet of electric multiple-unit passenger trains built by Alstom for commuter and regional services on the Scottish rail network.
  • C. British Rail Class 465
    The British Rail Class 465 is a family of electric multiple-unit commuter trains used primarily on suburban routes in Southeast England, particularly around London.
  • D. British Rail Class 458
    The British Rail Class 458 is a fleet of electric multiple-unit passenger trains used for suburban and regional services in the south of England, particularly around London.
  • E. British Rail Class 450
    The British Rail Class 450 is a fleet of electric multiple unit commuter trains operated in southern England, particularly on suburban and regional services.
  • 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: Alstom Class 460
Triple: [Alstom multiple units, hasSubclass, Alstom Class 460]
Generated description
The Alstom Class 460 is a fleet of electric multiple-unit trains built by Alstom for use on the Gatwick Express service between London Victoria and Gatwick Airport in the United Kingdom.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Alstom Class 460
Target entity description: The Alstom Class 460 is a fleet of electric multiple-unit trains built by Alstom for use on the Gatwick Express service between London Victoria and Gatwick Airport in the United Kingdom.
  • A. Alstom Class 180
    The Alstom Class 180 is a high-speed diesel multiple unit train used on intercity passenger services in the United Kingdom.
  • B. Alstom Class 334
    The Alstom Class 334 is a fleet of electric multiple-unit passenger trains built by Alstom for commuter and regional services on the Scottish rail network.
  • C. British Rail Class 465
    The British Rail Class 465 is a family of electric multiple-unit commuter trains used primarily on suburban routes in Southeast England, particularly around London.
  • D. British Rail Class 458
    The British Rail Class 458 is a fleet of electric multiple-unit passenger trains used for suburban and regional services in the south of England, particularly around London.
  • E. British Rail Class 450
    The British Rail Class 450 is a fleet of electric multiple unit commuter trains operated in southern England, particularly on suburban and regional services.
  • 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_69ca82bd9900819099477cdc2eb4244f completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb4443a3748190bbae79f1d673c03d completed March 31, 2026, 3:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69ce6ca1110c8190b72a2a573ddab06d completed April 2, 2026, 1:18 p.m.
NEDg Description generation batch_69ce6e66c5e48190badcc5e075892006 completed April 2, 2026, 1:25 p.m.
NED2 Entity disambiguation (via description) batch_69ce6f0cc434819089e78d24dfee5361 completed April 2, 2026, 1:28 p.m.
Created at: March 30, 2026, 5:36 p.m.