Triple

T3937577
Position Surface form Disambiguated ID Type / Status
Subject LMS Jubilee Class E90949 entity
Predicate regionUnderBR P38421 FINISHED
Object London Midland Region E400047 NE FINISHED

How this triple was built (3 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: London Midland Region | Statement: [LMS Jubilee Class, regionUnderBR, London Midland Region]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London Midland Region
Context triple: [LMS Jubilee Class, regionUnderBR, London Midland Region]
  • A. London Midland Region chosen
    The London Midland Region was a major administrative division of British Railways responsible for rail services across central and north-western England and parts of Scotland after nationalisation in 1948.
  • B. London Midland
    London Midland was a former British train operating company that ran regional and intercity passenger services across the West Midlands and surrounding areas until its franchise ended in 2017.
  • C. British Rail Eastern Region
    British Rail Eastern Region was a major operating division of British Railways responsible for rail services across eastern England, inheriting much of the former London and North Eastern Railway network.
  • D. West Midlands Railway
    West Midlands Railway is a British train operating company providing regional and commuter rail services across the West Midlands and surrounding areas of England.
  • E. British Railways Western Region
    British Railways Western Region was the post-nationalisation division of British Rail responsible for former Great Western Railway routes across western and southwestern England and South Wales.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: regionUnderBR
Context triple: [LMS Jubilee Class, regionUnderBR, London Midland Region]
  • A. regionRuled
    Indicates that a particular region is governed or controlled by a specified ruler or authority.
  • B. region1
    Indicates that one entity is the first or primary region associated with, containing, or encompassing another entity.
  • C. locatedUnder
    Indicates that one entity is positioned directly or generally beneath another entity in space.
  • D. borderRegionOf
    Indicates that one region lies along, touches, or forms part of the boundary of another region.
  • E. isRegionOf chosen
    Indicates that one entity is a geographic or administrative region belonging to, contained within, or associated with another entity.
  • F. None of above.

Provenance (4 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_69aed95f26e0819094b0e71974543a19 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeedceab608190934293d432f14476 completed March 9, 2026, 3:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69b53ff66f348190bf054c7666cb16fc completed March 14, 2026, 11:01 a.m.
PD Predicate disambiguation batch_69aee7625ad4819097e4e8a168c19274 completed March 9, 2026, 3:29 p.m.
Created at: March 9, 2026, 3:24 p.m.