Triple

T15130381
Position Surface form Disambiguated ID Type / Status
Subject Berkhamsted railway station E361401 entity
Predicate adjacentTo P224 FINISHED
Object Berkhamsted Castle E183963 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: Berkhamsted Castle | Statement: [Berkhamsted railway station, adjacentTo, Berkhamsted Castle]

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: Berkhamsted Castle
Context triple: [Berkhamsted railway station, adjacentTo, Berkhamsted Castle]
  • A. Berkhamsted Castle chosen
    Berkhamsted Castle is a medieval motte-and-bailey fortress in Hertfordshire, England, historically significant as a royal stronghold and residence of notable figures including Richard, 1st Earl of Cornwall.
  • B. Hertford Castle
    Hertford Castle is a historic fortified residence in Hertford, England, with medieval origins and later use as a royal palace and administrative center.
  • C. Marlborough Castle
    Marlborough Castle was a medieval royal stronghold in Wiltshire, England, that served as a residence for English monarchs and their consorts.
  • D. Stansted Mountfitchet Castle
    Stansted Mountfitchet Castle is a reconstructed Norman motte-and-bailey fortress in Essex, England, operating as a living history museum that recreates medieval village life.
  • E. Wallingford Castle
    Wallingford Castle is a historic medieval fortress in Wallingford, England, known for its strategic importance during the Norman and subsequent English civil wars.
  • 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_69feb7fa449c8190aed8941168b063c3 ned_source_triple completed
Created at: April 10, 2026, 3:06 a.m.