Triple

T2310622
Position Surface form Disambiguated ID Type / Status
Subject London Overground E51947 entity
Predicate line P1293 FINISHED
Object Watford DC line 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 | Statement: [London Overground, line, Watford DC line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Watford DC line
Context triple: [London Overground, line, Watford DC line]
  • 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. Catford Loop Line
    The Catford Loop Line is a suburban railway route in southeast London that provides an alternative corridor between central London and Kent, serving several local commuter stations along the way.
  • C. Styal Line
    The Styal Line is a suburban railway route in Greater Manchester, England, connecting central Manchester with Manchester Airport and surrounding areas.
  • D. 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.
  • E. Hounslow Loop Line
    The Hounslow Loop Line is a suburban railway route in West London that forms a loop off the South Western Main Line, providing local passenger services through areas such as Hounslow, Isleworth, and Richmond.
  • 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_69a88b0bb30c81908ded03b006d29387 completed March 4, 2026, 7:42 p.m.
NER Named-entity recognition batch_69abc6098ce88190ba2e987e6f0737ac completed March 7, 2026, 6:30 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae960dfb708190868126460d27b144 completed March 9, 2026, 9:42 a.m.
Created at: March 4, 2026, 7:49 p.m.