Triple

T17014545
Position Surface form Disambiguated ID Type / Status
Subject Churchill Station E412784 entity
Predicate servesLine P839 FINISHED
Object Valley Line E412783 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Valley Line | Statement: [Churchill Station, servesLine, Valley Line]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Valley Line
Context triple: [Churchill Station, servesLine, Valley Line]
  • A. Valley Line chosen
    The Valley Line is a light rail transit route in Edmonton, Alberta, designed as a low-floor, urban-style line connecting southeastern and western parts of the city.
  • B. Millennium Line
    The Millennium Line is a rapid transit line on Metro Vancouver’s SkyTrain system, running through several municipalities including Burnaby and connecting key residential, commercial, and educational hubs.
  • C. Golden Valley Line
    The Golden Valley Line is a regional railway route in England running through the scenic Golden Valley between Gloucester and Swindon, serving towns such as Stroud and Kemble.
  • D. Trillium Line
    The Trillium Line is a diesel light rail transit line in Ottawa, Ontario, forming part of the city’s O-Train network and connecting southern communities with the downtown area.
  • E. Esk Valley Line
    The Esk Valley Line is a rural railway route in North Yorkshire, England, running through the scenic Esk Valley between Middlesbrough and Whitby.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d886cc4170819093deddc7b8b4b6a7 elicitation completed
NER batch_69e3d47e64f081908f43870c7564d0ae ner completed
NED1 batch_6a0139ef70208190b26029511e91afb0 ned_source_triple completed
Created at: April 10, 2026, 5:33 a.m.