Triple

T20647394
Position Surface form Disambiguated ID Type / Status
Subject Erewash Valley Line E507391 entity
Predicate hasJunctionWith P1018 FINISHED
Object Nottingham–Derby line — 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: Nottingham–Derby line | Statement: [Erewash Valley Line, hasJunctionWith, Nottingham–Derby 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: Nottingham–Derby line
Context triple: [Erewash Valley Line, hasJunctionWith, Nottingham–Derby line]
  • A. Derby–Nottingham line chosen
    The Derby–Nottingham line is a key railway route in the East Midlands of England that connects the cities of Derby and Nottingham and serves as an important regional commuter and intercity corridor.
  • B. Sheffield–Nottingham line
    The Sheffield–Nottingham line is a regional railway route in England that connects the cities of Sheffield and Nottingham, serving intermediate towns across South Yorkshire, Derbyshire, and Nottinghamshire.
  • C. Nottingham–Lincoln line
    The Nottingham–Lincoln line is a regional railway route in the East Midlands of England that connects the cities of Nottingham and Lincoln, serving intermediate towns and communities along the way.
  • D. Derby–Matlock line
    The Derby–Matlock line is a regional railway route in Derbyshire, England, running through the Derwent Valley and serving towns and communities between Derby and the market town of Matlock.
  • E. Nottingham–Grantham line
    The Nottingham–Grantham line is a regional railway route in Nottinghamshire and Lincolnshire, England, linking the city of Nottingham with the market town of Grantham and serving intermediate rural communities.
  • 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.