Triple

T20647384
Position Surface form Disambiguated ID Type / Status
Subject Erewash Valley Line E507391 entity
Predicate partOf P40 FINISHED
Object British railway 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: British railway network | Statement: [Erewash Valley Line, partOf, British railway 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: British railway network
Context triple: [Erewash Valley Line, partOf, British railway network]
  • A. British railway network chosen
    The British railway network is the nationwide system of interconnected passenger and freight rail lines, stations, and services that spans the United Kingdom.
  • B. 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.
  • C. Great British Railways
    Great British Railways is a planned public body intended to oversee and integrate rail services and infrastructure across Great Britain, replacing the current fragmented rail franchising system.
  • D. Scottish rail network
    The Scottish rail network is the system of passenger and freight railway lines and services that connect cities, towns, and regions throughout Scotland and link them with the wider UK rail infrastructure.
  • E. Kent rail network
    The Kent rail network is the interconnected system of passenger and freight railway lines and services that link towns and cities across the county of Kent in southeast England with London and the wider UK rail system.
  • 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.