Triple

T16898195
Position Surface form Disambiguated ID Type / Status
Subject Edgware Road tube station (Circle, District and Hammersmith & City lines) E424363 entity
Predicate isTerminusOf P388 FINISHED
Object Hammersmith & City line (eastern terminus of branch from Hammersmith) E61063 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: Hammersmith & City line (eastern terminus of branch from Hammersmith) | Statement: [Edgware Road tube station (Circle, District and Hammersmith & City lines), isTerminusOf, Hammersmith & City line (eastern terminus of branch from Hammersmith)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hammersmith & City line (eastern terminus of branch from Hammersmith)
Context triple: [Edgware Road tube station (Circle, District and Hammersmith & City lines), isTerminusOf, Hammersmith & City line (eastern terminus of branch from Hammersmith)]
  • 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. 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.
  • C. Hammersmith & City line chosen
    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.
  • D. 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.
  • E. Watford branch of the Metropolitan line
    The Watford branch of the Metropolitan line is a suburban spur of London’s Underground network in Hertfordshire, running from central London to its terminus at Watford tube station.
  • 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_69d889da3e8c8190a2b118f383f0beac completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e3c8d98c308190bcc0adc7797d1f40 completed April 18, 2026, 6:09 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00c7b0783c81909c87de503d5e7e3c completed May 10, 2026, 6 p.m.
Created at: April 10, 2026, 5:29 a.m.