Triple

T22594613
Position Surface form Disambiguated ID Type / Status
Subject IJsselmeer water system E574640 entity
Predicate partOf P40 FINISHED
Object Dutch Delta Programme — 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: Dutch Delta Programme | Statement: [IJsselmeer water system, partOf, Dutch Delta Programme]

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: Dutch Delta Programme
Context triple: [IJsselmeer water system, partOf, Dutch Delta Programme]
  • A. Dutch Delta Programme chosen
    The Dutch Delta Programme is a long-term national initiative by the Netherlands to protect the country from flooding and ensure freshwater supply in the face of climate change and rising sea levels.
  • B. Room for the River programme
    The Room for the River programme is a Dutch flood-management and spatial planning initiative that redesigns river landscapes to safely accommodate higher water levels while enhancing environmental quality and livability.
  • C. Haarlemmermeer drainage project
    The Haarlemmermeer drainage project was a 19th-century Dutch engineering undertaking that used steam-powered pumping stations to reclaim the former Haarlemmermeer lake and create new agricultural and settlement land.
  • D. Delta Works
    Delta Works is a vast system of dams, storm surge barriers, and other hydraulic structures in the Netherlands designed to protect low-lying areas from the sea and river flooding.
  • E. Stormvloedkering Hollandse IJssel
    Stormvloedkering Hollandse IJssel is a major storm surge barrier in the Netherlands that protects low-lying areas along the Hollandse IJssel river from flooding as part of the Delta Works.
  • 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_69e245bc11308190b69d794d5d1e0bb6 elicitation completed
NER batch_69f16164d690819096f7c4efb6cedad9 ner completed
Created at: April 17, 2026, 2:49 p.m.