Triple

T12730954
Position Surface form Disambiguated ID Type / Status
Subject Battersea Power Station Underground station E304233 entity
Predicate terminusOf P3375 FINISHED
Object Northern line Charing Cross branch extension E1001673 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 extension | Statement: [Battersea Power Station Underground station, terminusOf, Northern line Charing Cross branch extension]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northern line Charing Cross branch extension
Context triple: [Battersea Power Station Underground station, terminusOf, Northern line Charing Cross branch extension]
  • A. Northern line extension to Battersea chosen
    The Northern line extension to Battersea is a London Underground project that extended the Northern line into the Battersea area to support major regeneration and improved transport links in south-west London.
  • B. Jubilee line extension
    The Jubilee line extension is a major late-20th-century expansion of the London Underground that introduced new stations and modern infrastructure to connect central London with the Docklands and east London.
  • C. 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.
  • D. Bury Line
    The Bury Line is a light rail route on Greater Manchester's Metrolink network that connects central Manchester with the town of Bury to the north.
  • E. Northern line
    The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
  • 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_69d7bdf1426c8190a4402e1c4cdec33a completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96467a2248190aff1ebb5db84b3c6 completed April 10, 2026, 8:58 p.m.
NED1 Entity disambiguation (via context triple) batch_69f68eb388488190a30866e9a7a0bc41 completed May 2, 2026, 11:54 p.m.
Created at: April 9, 2026, 5:25 p.m.