Triple

T5560009
Position Surface form Disambiguated ID Type / Status
Subject Advanced Passenger Train E145741 entity
Predicate influenced P9 FINISHED
Object British Rail Class 390
The British Rail Class 390 is a high-speed tilting electric multiple unit train used by Avanti West Coast on the West Coast Main Line in the United Kingdom.
E581322 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: British Rail Class 390 | Statement: [Advanced Passenger Train, influenced, British Rail Class 390]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: British Rail Class 390
Context triple: [Advanced Passenger Train, influenced, British Rail Class 390]
  • A. British Rail Class 375
    The British Rail Class 375 is a fleet of electric multiple-unit passenger trains operated by Southeastern on suburban and regional services in southeast England.
  • B. 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.
  • C. British Rail Class 395
    The British Rail Class 395 is a high-speed electric multiple unit train used in the UK, best known for operating Southeastern’s domestic services on High Speed 1 between London and Kent.
  • D. British Rail Class 802
    The British Rail Class 802 is a bi-mode high-speed intercity train used in the UK, derived from Hitachi’s A-train design and operated by several train companies on long-distance routes.
  • E. British Rail Class 158
    The British Rail Class 158 is a diesel multiple-unit train built in the late 1980s and early 1990s for regional and intercity services across the UK rail 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: British Rail Class 390
Triple: [Advanced Passenger Train, influenced, British Rail Class 390]
Generated description
The British Rail Class 390 is a high-speed tilting electric multiple unit train used by Avanti West Coast on the West Coast Main Line in the United Kingdom.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: British Rail Class 390
Target entity description: The British Rail Class 390 is a high-speed tilting electric multiple unit train used by Avanti West Coast on the West Coast Main Line in the United Kingdom.
  • A. British Rail Class 375
    The British Rail Class 375 is a fleet of electric multiple-unit passenger trains operated by Southeastern on suburban and regional services in southeast England.
  • B. 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.
  • C. British Rail Class 395
    The British Rail Class 395 is a high-speed electric multiple unit train used in the UK, best known for operating Southeastern’s domestic services on High Speed 1 between London and Kent.
  • D. British Rail Class 802
    The British Rail Class 802 is a bi-mode high-speed intercity train used in the UK, derived from Hitachi’s A-train design and operated by several train companies on long-distance routes.
  • E. British Rail Class 158
    The British Rail Class 158 is a diesel multiple-unit train built in the late 1980s and early 1990s for regional and intercity services across the UK rail 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_69c008fcaf788190bafa02a1917ee73b completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c020167afc8190b0c518907cd0d99b completed March 22, 2026, 5 p.m.
NED1 Entity disambiguation (via context triple) batch_69c51892bb648190987b9626ef7ea4d9 completed March 26, 2026, 11:29 a.m.
NEDg Description generation batch_69c51decdb488190b102a8b055af8c3b completed March 26, 2026, 11:52 a.m.
NED2 Entity disambiguation (via description) batch_69c51e6d1d488190a8d3a5c2f6e8eb6c completed March 26, 2026, 11:54 a.m.
Created at: March 22, 2026, 3:36 p.m.