Triple

T6144258
Position Surface form Disambiguated ID Type / Status
Subject Carlton E137035 entity
Predicate railwayLine P848 FINISHED
Object Nottingham–Lincoln line E251798 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: Nottingham–Lincoln line | Statement: [Carlton, railwayLine, Nottingham–Lincoln 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–Lincoln line
Context triple: [Carlton, railwayLine, Nottingham–Lincoln line]
  • A. Nottingham–Lincoln line chosen
    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.
  • B. 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.
  • C. Sheffield–Lincoln line
    The Sheffield–Lincoln line is a regional railway route in England that connects the city of Sheffield with Lincoln, serving intermediate towns across South Yorkshire, Nottinghamshire, and Lincolnshire.
  • D. Nottingham–Skegness line
    The Nottingham–Skegness line is a regional railway route in England linking the East Midlands city of Nottingham with the seaside resort of Skegness via towns such as Grantham and Boston.
  • E. Peterborough–Lincoln line
    The Peterborough–Lincoln line is a regional railway route in eastern England that connects the cities of Peterborough and Lincoln via intermediate towns such as Sleaford.
  • 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_69c008a2c6308190a56519b22d55d083 elicitation completed
NER batch_69c05cb645508190aea2d77c9de174ba ner completed
NED1 batch_69c135f88db881908b8a5d9c35bf0fbb ned_source_triple completed
Created at: March 22, 2026, 4:16 p.m.