Triple

T13346135
Position Surface form Disambiguated ID Type / Status
Subject Ealing Broadway branch of the District line E317953 entity
Predicate serves P98 FINISHED
Object Stamford Brook station E1067804 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: Stamford Brook station | Statement: [Ealing Broadway branch of the District line, serves, Stamford Brook station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Stamford Brook station
Context triple: [Ealing Broadway branch of the District line, serves, Stamford Brook station]
  • A. Stamford Brook station chosen
    Stamford Brook station is a London Underground station in west London served by the District line.
  • B. Gunnersbury station
    Gunnersbury station is a London Underground and London Overground station in west London serving the District line and the North London line.
  • C. Rayners Lane station
    Rayners Lane station is a London Underground station in the London Borough of Harrow, served by the Metropolitan and Piccadilly lines.
  • D. Stonebridge Park station
    Stonebridge Park station is a railway and London Underground station in north-west London served by the Bakerloo line and London Overground.
  • E. Ealing Common station
    Ealing Common station is a London Underground station in West London serving the District and Piccadilly lines.
  • 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_69d806b5a3c08190b42c267fb092f98a completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d99e89c65c819093f3bea11d6073c5 completed April 11, 2026, 1:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69fdfb6e3d048190869bba1b4a7e255f completed May 8, 2026, 3:04 p.m.
Created at: April 9, 2026, 9:31 p.m.