Triple

T15208795
Position Surface form Disambiguated ID Type / Status
Subject Letchworth Garden City railway station E363458 entity
Predicate managedBy P86 FINISHED
Object Great Northern E158397 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: Great Northern | Statement: [Letchworth Garden City railway station, managedBy, Great Northern]

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: Great Northern
Context triple: [Letchworth Garden City railway station, managedBy, Great Northern]
  • A. Great Northern chosen
    Great Northern is a British train operating company providing commuter and regional rail services across parts of London and the East of England.
  • B. Linha do Oeste
    Linha do Oeste is a major Portuguese railway line running along the country’s western coast, connecting Lisbon’s outskirts with several central-western cities and towns.
  • C. Sounder North Line
    The Sounder North Line is a commuter rail service in the Seattle metropolitan area that runs along the Puget Sound, connecting Seattle with communities to the north such as Everett.
  • D. Great Northern complex
    The Great Northern complex is a mixed-use leisure, retail, and office development in central Manchester, England, created from the redevelopment of the historic Great Northern Railway Warehouse and surrounding buildings.
  • E. Great Western Main Line
    The Great Western Main Line is a major intercity railway route in England that connects London with key cities in the west, including Bristol and South Wales.
  • 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_69d85a0b78bc8190b6e5ad51a2c4cfc5 elicitation completed
NER batch_69e006b8e2788190bd1831762e4181ae ner completed
NED1 batch_69fed33dbda08190a10ba81082d0d183 ned_source_triple completed
Created at: April 10, 2026, 3:11 a.m.