Triple

T13346144
Position Surface form Disambiguated ID Type / Status
Subject Ealing Broadway branch of the District line E317953 entity
Predicate connectsWith P37 FINISHED
Object Piccadilly line at Barons Court station E316456 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: Piccadilly line at Barons Court station | Statement: [Ealing Broadway branch of the District line, connectsWith, Piccadilly line at Barons Court station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Piccadilly line at Barons Court station
Context triple: [Ealing Broadway branch of the District line, connectsWith, Piccadilly line at Barons Court station]
  • A. Piccadilly line at Ealing Common station
    The Piccadilly line at Ealing Common station is a London Underground line serving west London, providing fast, long-distance services between central London, Heathrow Airport, and Uxbridge.
  • B. Barons Court station on the Piccadilly line chosen
    Barons Court station on the Piccadilly line is a London Underground station in West London known for its distinctive early 20th-century architecture and role as an interchange between the Piccadilly and District lines.
  • C. London Underground Metropolitan line
    The London Underground Metropolitan line is one of the network’s oldest and longest lines, running from central London into the north-west suburbs and beyond into Buckinghamshire.
  • D. London Underground Central line
    The London Underground Central line is a major east–west Tube line running across Greater London, connecting key central and suburban areas as part of the city’s rapid transit network.
  • E. 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.
  • 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_69f74615b0f08190a8eb8d8a87cb7053 completed May 3, 2026, 12:56 p.m.
Created at: April 9, 2026, 9:31 p.m.