Triple

T15130375
Position Surface form Disambiguated ID Type / Status
Subject Berkhamsted railway station E361401 entity
Predicate connectsTo P845 FINISHED
Object London Euston E9460 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: London Euston | Statement: [Berkhamsted railway station, connectsTo, London Euston]

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: London Euston
Context triple: [Berkhamsted railway station, connectsTo, London Euston]
  • A. London Euston chosen
    London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
  • B. Euston
    Euston is a small rural village and civil parish in Suffolk, England, known for its historic Euston Hall and surrounding estate.
  • C. Marylebone station
    Marylebone station is a central London railway terminus and London Underground station serving Chiltern Railways services and the Bakerloo line.
  • D. Southampton station
    Southampton station is a Long Island Rail Road stop in Southampton, New York, serving passengers on the Montauk Branch between New York City and the East End of Long Island.
  • E. London St Pancras International
    London St Pancras International is a major central London railway terminus and international high-speed rail hub, serving Eurostar services to continental Europe as well as domestic routes.
  • 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_69d85a06450081909c5a14ea9851a15e elicitation completed
NER batch_69e005b194748190801e3956bf2429d4 ner completed
NED1 batch_69ff01d9af308190b0103cec0fb8d87d ned_source_triple completed
Created at: April 10, 2026, 3:06 a.m.