Triple

T8656792
Position Surface form Disambiguated ID Type / Status
Subject Clapham North Underground station E205438 entity
Predicate lineBranch P12137 FINISHED
Object Northern line Charing Cross branch (historical) E732595 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 Charing Cross branch (historical) | Statement: [Clapham North Underground station, lineBranch, Northern line Charing Cross branch (historical)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northern line Charing Cross branch (historical)
Context triple: [Clapham North Underground station, lineBranch, Northern line Charing Cross branch (historical)]
  • A. 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.
  • B. Linha do Norte (Northern Line)
    Linha do Norte (Northern Line) is Portugal’s principal mainline railway corridor, linking Lisbon to Porto and serving as the country’s busiest and most important rail route.
  • C. Northern line
    The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
  • D. Northern line Edgware branch (via Camden Town) chosen
    The Northern line Edgware branch (via Camden Town) is a key London Underground route running on the Northern line from central London through Camden Town towards Edgware in North West London.
  • E. Northern line Morden branch
    The Northern line Morden branch is a section of London Underground’s Northern line running through south London to Morden, serving a series of suburban stations including Clapham Common.
  • 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_69ca8350897c819086cde7596fbe5fe7 completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc484569788190aa41395854684e6f completed March 31, 2026, 10:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69ceccec941881908263cd3205f10ccd completed April 2, 2026, 8:09 p.m.
Created at: March 30, 2026, 6:30 p.m.