Triple

T16664658
Position Surface form Disambiguated ID Type / Status
Subject Hendon (UK Parliament constituency) E404948 entity
Predicate hasTransportLink P1298 FINISHED
Object Northern line of the London Underground E61912 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: Northern line of the London Underground | Statement: [Hendon (UK Parliament constituency), hasTransportLink, Northern line of the London Underground]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northern line of the London Underground
Context triple: [Hendon (UK Parliament constituency), hasTransportLink, Northern line of the London Underground]
  • A. London Underground Metropolitan line
    The London Underground Metropolitan line is one of the network’s oldest and longest lines, running from central London into the north-west suburbs and beyond into Buckinghamshire.
  • B. Northern line chosen
    The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
  • C. Bakerloo line
    The Bakerloo line is a deep-level London Underground railway line running between Harrow & Wealdstone in northwest London and Elephant & Castle in south London, known for serving key central locations such as Baker Street, Oxford Circus, and Waterloo.
  • D. District line (London Underground)
    The District line is a major London Underground line running across the city from east to west, serving numerous suburban areas and key central London destinations.
  • E. London Fenchurch Street–Shoeburyness line
    The London Fenchurch Street–Shoeburyness line is a key commuter rail route in Essex and east London, linking central London with coastal towns along the Thames Estuary.
  • 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_69d8838b5fbc81908c6575c132b82e80 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e37c9be0688190afda306cde934c68 completed April 18, 2026, 12:44 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0084d21ed4819089fc70f92653694d completed May 10, 2026, 1:14 p.m.
Created at: April 10, 2026, 5:18 a.m.