Triple

T12314268
Position Surface form Disambiguated ID Type / Status
Subject South Kenton E293559 entity
Predicate lineSection P43954 FINISHED
Object Watford DC line between London Euston and Watford Junction E256313 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: Watford DC line between London Euston and Watford Junction | Statement: [South Kenton, lineSection, Watford DC line between London Euston and Watford Junction]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Watford DC line between London Euston and Watford Junction
Context triple: [South Kenton, lineSection, Watford DC line between London Euston and Watford Junction]
  • A. Watford DC line chosen
    The Watford DC line is a suburban railway route in London that runs between London Euston and Watford Junction, primarily serving local commuter services with direct current electrification.
  • B. Watford branch of the Metropolitan line
    The Watford branch of the Metropolitan line is a suburban spur of London’s Underground network in Hertfordshire, running from central London to its terminus at Watford tube station.
  • C. Hertford Loop Line
    The Hertford Loop Line is a suburban railway route in Hertfordshire and north London that provides an alternative path to the East Coast Main Line, linking London with Hertford and intermediate commuter towns.
  • D. East Coast Main Line between London King's Cross and Hitchin
    The East Coast Main Line between London King's Cross and Hitchin is a key electrified railway corridor in southern England that carries high-frequency intercity, regional, and commuter services linking London with the East Midlands, Yorkshire, and northeastern England.
  • E. Charing Cross–Dartford line
    The Charing Cross–Dartford line is a suburban railway route in southeast London and Kent, providing commuter services between central London and Dartford via stations such as Waterloo East.
  • 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_69d6ab6a2b50819082f6aedd32ed608a completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d93f03d3c88190baedffb83465bff8 completed April 10, 2026, 6:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69f61e86d45881909a9a3c09df0b78f1 completed May 2, 2026, 3:55 p.m.
Created at: April 8, 2026, 9:53 p.m.