Triple

T11326964
Position Surface form Disambiguated ID Type / Status
Subject North Greenwich Underground station E268244 entity
Predicate openedAsPartOf P9951 FINISHED
Object Jubilee line Extension project E59708 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: Jubilee line Extension project | Statement: [North Greenwich Underground station, openedAsPartOf, Jubilee line Extension project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Jubilee line Extension project
Context triple: [North Greenwich Underground station, openedAsPartOf, Jubilee line Extension project]
  • A. Jubilee line extension chosen
    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.
  • B. Jubilee line
    The Jubilee line is a major London Underground line running across the city from northwest to east, serving key financial and commercial hubs including Canary Wharf.
  • C. Elizabeth line (Abbey Wood branch)
    The Elizabeth line (Abbey Wood branch) is a key Crossrail route in southeast London, providing high-frequency, fast rail services between Abbey Wood, central London, and beyond.
  • D. Elizabeth line
    The Elizabeth line is a major high-capacity railway route across London and its surroundings, forming part of the Crossrail project and providing fast east–west connections through the city.
  • E. Green Line southern extension
    The Green Line southern extension is a Washington Metro expansion project that extended the Green Line further into the suburbs of Prince George's County, Maryland, adding several new stations beyond its previous terminus.
  • 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_69d6aacb1f0881908c84a349fd1be047 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e9e2253881909518cad0f12ef612 completed April 9, 2026, 6:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69e54318be088190b57de40a2091447d completed April 19, 2026, 9:03 p.m.
Created at: April 8, 2026, 9:32 p.m.