Triple

T12638517
Position Surface form Disambiguated ID Type / Status
Subject Moor Park E301828 entity
Predicate lineSection P43954 FINISHED
Object Metropolitan line to Amersham E987136 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: Metropolitan line to Amersham | Statement: [Moor Park, lineSection, Metropolitan line to Amersham]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metropolitan line to Amersham
Context triple: [Moor Park, lineSection, Metropolitan line to Amersham]
  • A. Metropolitan line branch to Chesham
    The Metropolitan line branch to Chesham is a rural outer-suburban spur of the London Underground’s Metropolitan line, running from Chalfont & Latimer to serve the town of Chesham in Buckinghamshire.
  • B. West London line
    The West London line is a north–south railway route in west London that connects Willesden Junction to Clapham Junction, used by both London Overground and other train operators.
  • C. Metropolitan line between Aldgate and Chesham chosen
    The Metropolitan line between Aldgate and Chesham is a long-distance London Underground route that runs from the City of London through northwest suburbs into Buckinghamshire, combining urban metro and semi-rural commuter rail characteristics.
  • D. Slough–Windsor & Eton line
    The Slough–Windsor & Eton line is a short branch railway in Berkshire, England, connecting Slough on the Great Western Main Line with the town of Windsor and its Windsor & Eton Central terminus.
  • E. North London line
    The North London line is a key orbital railway route in London that runs across the northern part of the city, connecting numerous suburban areas and major interchange stations.
  • 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_69d7bdec9f9c8190b4bac675b7588211 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d961499de08190bdba66ca40b021be completed April 10, 2026, 8:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69f668754acc8190b5585dbd35387867 completed May 2, 2026, 9:11 p.m.
Created at: April 9, 2026, 5:16 p.m.