Triple

T1513334
Position Surface form Disambiguated ID Type / Status
Subject Clapham South Underground station E32062 entity
Predicate locatedOnLine P2409 FINISHED
Object Northern line 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 | Statement: [Clapham South Underground station, locatedOnLine, Northern line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northern line
Context triple: [Clapham South Underground station, locatedOnLine, Northern line]
  • A. Northern line chosen
    The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
  • B. Jubilee line
    The Jubilee line is a major London Underground line running across the city from northwest to east, serving key financial and commercial hubs including Canary Wharf.
  • C. Piccadilly line
    The Piccadilly line is a major deep-level London Underground route running from the north and west suburbs through central London, serving key destinations including Heathrow Airport.
  • D. 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.
  • 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_69a885e8caf88190a5fbb6159ce87786 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a907d7cbf48190be40590a7f9fa1de completed March 5, 2026, 4:34 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad401616ec81908edd9dcb9f4a0184 completed March 8, 2026, 9:23 a.m.
Created at: March 4, 2026, 7:26 p.m.