Triple

T20647400
Position Surface form Disambiguated ID Type / Status
Subject Erewash Valley Line E507391 entity
Predicate regionServed P82 FINISHED
Object East Midlands 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: East Midlands | Statement: [Erewash Valley Line, regionServed, East Midlands]

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: East Midlands
Context triple: [Erewash Valley Line, regionServed, East Midlands]
  • A. East Midlands chosen
    The East Midlands is a region of central England known for its mix of historic industrial cities, rural landscapes, and transport links connecting northern and southern England.
  • B. North East Midlands
    North East Midlands is a region of England encompassing parts of the East Midlands and surrounding areas, historically served by routes such as the Great Central Railway.
  • C. South East Midlands
    South East Midlands is an economic and administrative region in central England that includes parts of counties such as Bedfordshire and serves as a hub for growth, transport, and development.
  • D. South Midlands
    South Midlands is a region of England encompassing parts of the central and southern Midlands, often referenced in administrative, sporting, and planning contexts.
  • E. West Midlands
    West Midlands is a metropolitan county and region in central England that includes major cities such as Birmingham, Coventry, and Wolverhampton and serves as a key industrial and cultural hub.
  • 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.