Triple

T12638546
Position Surface form Disambiguated ID Type / Status
Subject Moor Park E301828 entity
Predicate hasServicePattern P849 FINISHED
Object Metropolitan line trains to Chesham E987300 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 trains to Chesham | Statement: [Moor Park, hasServicePattern, Metropolitan line trains to Chesham]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metropolitan line trains to Chesham
Context triple: [Moor Park, hasServicePattern, Metropolitan line trains to Chesham]
  • A. Metropolitan line branch to Chesham chosen
    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. Metropolitan line between Aldgate and Chesham
    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.
  • C. Chatham Main Line via Lewisham
    The Chatham Main Line via Lewisham is a key suburban and commuter rail route in southeast London that carries trains between central London and Kent through Lewisham.
  • D. Windsor & Eton Riverside to London Waterloo line
    The Windsor & Eton Riverside to London Waterloo line is a suburban railway route in southeast England linking the historic town of Windsor with central London’s Waterloo station.
  • E. Metropolitan line
    The Metropolitan line is one of the oldest lines of the London Underground, running from central London into the northwestern suburbs and beyond.
  • 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.