Triple

T16986131
Position Surface form Disambiguated ID Type / Status
Subject Hendon Central Underground station E412069 entity
Predicate lineSection P43954 FINISHED
Object Edgware branch of the Northern line E302149 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: Edgware branch of the Northern line | Statement: [Hendon Central Underground station, lineSection, Edgware branch of the Northern line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Edgware branch of the Northern line
Context triple: [Hendon Central Underground station, lineSection, Edgware branch of the Northern line]
  • A. Edgware Road branch of the District line
    The Edgware Road branch of the District line is a London Underground route running between Edgware Road and key central-west stations, providing an important link through west-central London.
  • B. Edgware branch chosen
    The Edgware branch is a northern suburban section of the London Underground’s Northern line running from central London to Edgware.
  • C. Ealing Broadway branch of the District line
    The Ealing Broadway branch of the District line is a western suburban section of London’s Underground network that runs between central London and Ealing Broadway, serving key stations in west London.
  • D. Edgware Road Station
    Edgware Road Station is a London Underground station in central London serving multiple Tube lines and acting as a key interchange near Paddington.
  • E. Holborn–Aldwych branch
    The Holborn–Aldwych branch was a short, now-disused spur of the London Underground’s Piccadilly line that ran between Holborn and Aldwych in central London.
  • 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_69d886ca8f348190812768ea8d5055ce completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3d27b58908190a643bcbd105b1849 completed April 18, 2026, 6:50 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00dc1109a081908890bbd5958c76c2 completed May 10, 2026, 7:27 p.m.
Created at: April 10, 2026, 5:32 a.m.