Triple

T3917200
Position Surface form Disambiguated ID Type / Status
Subject Crewe Works E88869 entity
Predicate historicalPeriod P302 FINISHED
Object British Rail era E15757 NE FINISHED

How this triple was built (2 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 era | Statement: [Crewe Works, historicalPeriod, British Rail era]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: British Rail era
Context triple: [Crewe Works, historicalPeriod, British Rail era]
  • A. British Rail chosen
    British Rail was the state-owned company that operated most of the railway services in Great Britain from the late 1940s until the privatization of the rail network in the 1990s.
  • B. British railway network
    The British railway network is the nationwide system of interconnected passenger and freight rail lines, stations, and services that spans the United Kingdom.
  • C. British Rail first-generation DMUs
    British Rail first-generation DMUs were early diesel multiple-unit passenger trains introduced in the mid-20th century to modernize and replace steam-hauled services on Britain’s rail network.
  • D. Mark II trains
    Mark II trains are an updated generation of streamlined monorail vehicles used on the Disneyland Monorail System, featuring improved design and capacity over the original models.
  • E. British Rail Engineering Limited
    British Rail Engineering Limited was the former engineering subsidiary of British Rail, responsible for designing, building, and maintaining much of the UK’s rolling stock and railway equipment.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69aed955229881909e85e73ffab1d343 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeed5797508190adaddb84575d9bb3 completed March 9, 2026, 3:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69b52864e0488190ab348a52cb9168b9 completed March 14, 2026, 9:20 a.m.
Created at: March 9, 2026, 3:22 p.m.