Triple

T12489314
Position Surface form Disambiguated ID Type / Status
Subject Charing Cross, Euston and Hampstead Railway E298519 entity
Predicate lineSuccessor P10969 FINISHED
Object Northern line Charing Cross branch 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 Charing Cross branch | Statement: [Charing Cross, Euston and Hampstead Railway, lineSuccessor, Northern line Charing Cross branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Northern line Charing Cross branch
Context triple: [Charing Cross, Euston and Hampstead Railway, lineSuccessor, Northern line Charing Cross branch]
  • 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. Charing Cross main line
    Charing Cross main line is a central London railway route and terminus that serves as a key hub for commuter and regional train services into the city.
  • C. 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.
  • D. Hammersmith & City line
    The Hammersmith & City line is a London Underground service running across west and central London, linking Hammersmith to Barking via key hubs such as Paddington, King's Cross St Pancras, and Liverpool Street.
  • 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_69d6ada377208190a36011199a4d8558 completed April 8, 2026, 7:33 p.m.
NER Named-entity recognition batch_69d94de1db9481909ddf70eb81cdb714 completed April 10, 2026, 7:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69f64ba7d8bc8190acc1f0d537a5bbbb completed May 2, 2026, 7:08 p.m.
Created at: April 8, 2026, 9:56 p.m.