Triple

T9160180
Position Surface form Disambiguated ID Type / Status
Subject Hampstead tube station E219800 entity
Predicate line P1293 FINISHED
Object Northern line E61912 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 | Statement: [Hampstead tube station, line, Northern line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northern line
Context triple: [Hampstead tube station, line, Northern line]
  • A. Northern line chosen
    The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
  • B. Linha do Norte (Northern Line)
    Linha do Norte (Northern Line) is Portugal’s principal mainline railway corridor, linking Lisbon to Porto and serving as the country’s busiest and most important rail route.
  • C. 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.
  • D. North London line
    The North London line is a key orbital railway route in London that runs across the northern part of the city, connecting numerous suburban areas and major interchange stations.
  • 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_69ca83e3633c81908688a9fa2306ba99 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cca9d953c081908d21f363801aaae4 completed April 1, 2026, 5:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69d0547073cc8190999fe640c7ccd373 completed April 3, 2026, 11:59 p.m.
Created at: March 30, 2026, 7:21 p.m.