Triple

T4790833
Position Surface form Disambiguated ID Type / Status
Subject County Londonderry E106595 entity
Predicate hasRailConnection P848 FINISHED
Object Derry–Belfast railway line E218269 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: Derry–Belfast railway line | Statement: [County Londonderry, hasRailConnection, Derry–Belfast railway 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: Derry–Belfast railway line
Context triple: [County Londonderry, hasRailConnection, Derry–Belfast railway line]
  • A. Belfast–Derry railway line chosen
    The Belfast–Derry railway line is a key Northern Ireland Railways route connecting Belfast with the city of Derry/Londonderry through several intermediate towns.
  • B. Belfast–Dublin railway line
    The Belfast–Dublin railway line is a major intercity rail corridor linking the capitals of Northern Ireland and the Republic of Ireland, serving key towns and cities along the east coast.
  • C. Belfast–Bangor line
    The Belfast–Bangor line is a key suburban railway route in Northern Ireland connecting the city of Belfast with the coastal town of Bangor.
  • D. Belfast–Larne line
    The Belfast–Larne line is a railway route in Northern Ireland connecting Belfast to the port town of Larne, historically operated by the Northern Counties Committee and important for both passenger and ferry-linked traffic.
  • E. Ballymena, Cushendall and Red Bay Railway
    The Ballymena, Cushendall and Red Bay Railway was a narrow-gauge railway line in County Antrim, Northern Ireland, serving rural communities along the Antrim coast and inland from Ballymena.
  • 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_69bd43f591c881909e5a532388b0f3f3 elicitation completed
NER batch_69bd65ddff388190b55071ed5cae7688 ner completed
NED1 batch_69be43e8f9dc8190b4e932d179e2f097 ned_source_triple completed
Created at: March 20, 2026, 1:22 p.m.