Triple

T17673343
Position Surface form Disambiguated ID Type / Status
Subject Sandwell and Dudley railway station E440581 entity
Predicate railwayRegion P15232 FINISHED
Object West Midlands rail network — 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: West Midlands rail network | Statement: [Sandwell and Dudley railway station, railwayRegion, West Midlands rail network]

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: West Midlands rail network
Context triple: [Sandwell and Dudley railway station, railwayRegion, West Midlands rail network]
  • A. West Midlands rail network chosen
    The West Midlands rail network is a regional railway system in central England that connects major cities and towns such as Birmingham, Wolverhampton, and Coventry through a range of suburban, regional, and intercity services.
  • B. East Midlands rail network
    The East Midlands rail network is a regional railway system in central England that connects major cities and towns such as Nottingham, Derby, Leicester, and surrounding areas through passenger and freight services.
  • C. West Midlands Railway
    West Midlands Railway is a British train operating company providing regional and commuter rail services across the West Midlands and surrounding areas of England.
  • D. Staffordshire rail network
    The Staffordshire rail network is the system of railway lines and junctions serving the county of Staffordshire in England, connecting its towns and cities to regional and national routes.
  • E. Manchester rail network
    The Manchester rail network is the interconnected system of railway lines, stations, and services that serves the city of Manchester and its surrounding region as a major transport hub in northern England.
  • 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_69d8b9e87e18819087104a44dc4dc5b1 elicitation completed
NER batch_69e46f6aa64081908c9a82128a5a9024 ner completed
Created at: April 10, 2026, 10 a.m.