Triple

T23276731
Position Surface form Disambiguated ID Type / Status
Subject Trintelhaven lighthouse E588740 entity
Predicate locatedInBodyOfWater P1714 FINISHED
Object IJsselmeer 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: IJsselmeer | Statement: [Trintelhaven lighthouse, locatedInBodyOfWater, IJsselmeer]

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: IJsselmeer
Context triple: [Trintelhaven lighthouse, locatedInBodyOfWater, IJsselmeer]
  • A. IJsselmeer chosen
    IJsselmeer is a large shallow freshwater lake in the central Netherlands, created by the closure of the Zuiderzee and known for its dikes, reclaimed polders, and importance to Dutch water management and recreation.
  • B. Zuidermeer
    Zuidermeer is a water area or sub-lake within the Kagerplassen lake district in the Netherlands, known for boating and watersports.
  • C. Naardermeer
    Naardermeer is a Dutch freshwater lake and nature reserve, renowned as the Netherlands’ first protected natural area and an important habitat for birds and wetland wildlife.
  • D. Haarlemmermeer
    Haarlemmermeer is a municipality in the province of North Holland in the Netherlands, best known for encompassing Amsterdam Airport Schiphol.
  • E. Oldambtmeer
    Oldambtmeer is an artificial lake in the municipality of Oldambt in the province of Groningen, Netherlands, created as part of a large-scale landscape and recreational development project.
  • 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_69e25d16e2c08190a291de254703129e elicitation completed
NER batch_69f19578adf48190bdb129a55f86172c ner completed
Created at: April 17, 2026, 4:48 p.m.