Triple

T20647393
Position Surface form Disambiguated ID Type / Status
Subject Erewash Valley Line E507391 entity
Predicate hasJunctionWith P1018 FINISHED
Object Midland Main 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: Midland Main Line | Statement: [Erewash Valley Line, hasJunctionWith, Midland Main 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: Midland Main Line
Context triple: [Erewash Valley Line, hasJunctionWith, Midland Main Line]
  • A. Midland Main Line chosen
    The Midland Main Line is a major inter-city railway route in England connecting London with key cities in the East Midlands and South Yorkshire.
  • B. Midland Line
    The Midland Line is a scenic New Zealand railway route across the South Island, best known today for carrying the TranzAlpine passenger service between Christchurch and Greymouth through the Southern Alps.
  • C. South Eastern Main Line
    The South Eastern Main Line is a major railway route in southeast England connecting London with key towns in Kent and the surrounding region.
  • D. Huddersfield Line
    The Huddersfield Line is a major railway route in northern England linking Manchester and Leeds via Huddersfield, known for its trans-Pennine services and scenic passage through the Pennines.
  • E. Midland line
    The Midland line is a suburban passenger railway line in Perth, Western Australia, running between Perth station and the eastern suburb of Midland as part of the Transperth network.
  • 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.