Triple

T1273336
Position Surface form Disambiguated ID Type / Status
Subject British Rail E15757 entity
Predicate introducedRollingStockFamily P5439 FINISHED
Object Advanced Passenger Train
The Advanced Passenger Train was a pioneering British high-speed tilting train developed by British Rail in the 1970s and 1980s to enable faster travel on existing curving tracks.
E145741 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: Advanced Passenger Train | Statement: [British Rail, introducedRollingStockFamily, Advanced Passenger Train]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Advanced Passenger Train
Context triple: [British Rail, introducedRollingStockFamily, Advanced Passenger Train]
  • A. High Speed Train
    The High Speed Train is a British high-speed diesel-powered passenger train, best known for its long-distance intercity services and record-setting performance on the UK rail network.
  • B. MARC Train
    MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
  • C. Amtrak Capitol Limited
    Amtrak Capitol Limited is a long-distance passenger train operated by Amtrak that runs overnight between Washington, D.C., and Chicago, serving major cities and scenic routes along the former Baltimore & Ohio Railroad.
  • D. National Limited passenger train
    The National Limited passenger train was a prominent long-distance streamliner operated by the Baltimore and Ohio Railroad, connecting major Midwestern and East Coast cities in the mid-20th century.
  • E. Amtrak Silver Service
    Amtrak Silver Service is a pair of long-distance passenger train routes along the U.S. East Coast, primarily connecting New York City and Miami with intermediate stops in major cities.
  • 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: Advanced Passenger Train
Triple: [British Rail, introducedRollingStockFamily, Advanced Passenger Train]
Generated description
The Advanced Passenger Train was a pioneering British high-speed tilting train developed by British Rail in the 1970s and 1980s to enable faster travel on existing curving tracks.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Advanced Passenger Train
Target entity description: The Advanced Passenger Train was a pioneering British high-speed tilting train developed by British Rail in the 1970s and 1980s to enable faster travel on existing curving tracks.
  • A. High Speed Train
    The High Speed Train is a British high-speed diesel-powered passenger train, best known for its long-distance intercity services and record-setting performance on the UK rail network.
  • B. MARC Train
    MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
  • C. Amtrak Capitol Limited
    Amtrak Capitol Limited is a long-distance passenger train operated by Amtrak that runs overnight between Washington, D.C., and Chicago, serving major cities and scenic routes along the former Baltimore & Ohio Railroad.
  • D. National Limited passenger train
    The National Limited passenger train was a prominent long-distance streamliner operated by the Baltimore and Ohio Railroad, connecting major Midwestern and East Coast cities in the mid-20th century.
  • E. Amtrak Silver Service
    Amtrak Silver Service is a pair of long-distance passenger train routes along the U.S. East Coast, primarily connecting New York City and Miami with intermediate stops in major cities.
  • 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_69a4935a94308190bb92555b79032824 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4c48bec548190b25d4a74b323cc1b completed March 1, 2026, 10:58 p.m.
NED1 Entity disambiguation (via context triple) batch_69aca2f49a98819083dacff7e76ad195 completed March 7, 2026, 10:13 p.m.
NEDg Description generation batch_69aca38229108190b8cc2e0ef5bc8667 completed March 7, 2026, 10:15 p.m.
NED2 Entity disambiguation (via description) batch_69aca40068f08190a49f9cbb5c78b471 completed March 7, 2026, 10:17 p.m.
Created at: March 1, 2026, 7:50 p.m.