Triple

T10602865
Position Surface form Disambiguated ID Type / Status
Subject Carshalton railway station E275794 entity
Predicate servedByLine P1293 FINISHED
Object Sutton and Mole Valley lines E74412 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: Sutton and Mole Valley lines | Statement: [Carshalton railway station, servedByLine, Sutton and Mole Valley lines]

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: Sutton and Mole Valley lines
Context triple: [Carshalton railway station, servedByLine, Sutton and Mole Valley lines]
  • A. Mole Valley line chosen
    The Mole Valley line is a railway route in Surrey, England, running through the Mole Valley and connecting London with towns such as Leatherhead and Dorking.
  • B. Redhill–Tonbridge line
    The Redhill–Tonbridge line is a regional railway route in southeast England that connects the towns of Redhill and Tonbridge, forming part of the suburban and commuter rail network south of London.
  • C. Tonbridge–Maidstone line
    The Tonbridge–Maidstone line is a railway route in Kent, England, linking the town of Tonbridge with Maidstone and serving as part of the regional commuter network.
  • D. North Downs Line
    The North Downs Line is a railway route in South East England that runs across the North Downs, linking Reading with Redhill and Gatwick Airport via towns such as Guildford.
  • E. Epsom Downs line
    The Epsom Downs line is a suburban railway route in South London and Surrey that connects Sutton to Epsom Downs, serving several commuter towns along the way.
  • 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_69d6aaf948d88190806cc3a8c47a3fb2 elicitation completed
NER batch_69d6ded6d698819084f96f46ea941461 ner completed
NED1 batch_69d96b698f308190be8ee1e6bc8481d3 ned_source_triple completed
Created at: April 8, 2026, 7:32 p.m.