Triple

T20647404
Position Surface form Disambiguated ID Type / Status
Subject Erewash Valley Line E507391 entity
Predicate hasStation P35 FINISHED
Object Chesterfield railway station — NE NERFINISHED

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: Chesterfield railway station | Statement: [Erewash Valley Line, hasStation, Chesterfield railway station]

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: Chesterfield railway station
Context triple: [Erewash Valley Line, hasStation, Chesterfield railway station]
  • A. Chesterfield railway station chosen
    Chesterfield railway station is the main passenger rail hub serving the town of Chesterfield in Derbyshire, England, on the Midland Main Line.
  • B. Chester railway station
    Chester railway station is a major rail hub in Cheshire, England, providing regional and long-distance services that connect North Wales, the North West, and other parts of the UK.
  • C. Chester station
    Chester station is a subway station on Line 2 Bloor–Danforth of the Toronto Transit Commission, serving Toronto’s Greektown area.
  • D. Charfield railway station
    Charfield railway station is a former railway station in the village of Charfield, Gloucestershire, England, historically known for serving the local community on the Bristol–Gloucester line and for the 1928 Charfield rail disaster.
  • E. Portchester railway station
    Portchester railway station is a suburban rail stop in Hampshire, England, serving the village of Portchester on the line between Southampton and Portsmouth.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e0b4be702c8190a3d2410a881d310a elicitation completed
NER batch_69e6af1fbfa881908a5b9db143e362d0 ner completed
Created at: April 16, 2026, 11:43 a.m.