Triple

T22594643
Position Surface form Disambiguated ID Type / Status
Subject IJsselmeer water system E574640 entity
Predicate mainInflow P4496 FINISHED
Object Eem River 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: Eem River | Statement: [IJsselmeer water system, mainInflow, Eem River]

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: Eem River
Context triple: [IJsselmeer water system, mainInflow, Eem River]
  • A. Eem River chosen
    The Eem River is a short river in the central Netherlands that flows through the province of Utrecht into the Eemmeer, playing a role in regional drainage and water management.
  • B. Eemmeer
    Eemmeer is a lake in the central Netherlands that forms part of the border between the provinces of Flevoland and Utrecht and is used for recreation and water management.
  • C. Oum Er-Rbia River
    The Oum Er-Rbia River is one of Morocco’s longest and most important rivers, flowing from the Middle Atlas mountains to the Atlantic Ocean and supporting extensive agricultural and hydropower activities along its course.
  • D. Urumea River
    The Urumea River is a coastal river in the Basque Country of northern Spain that flows through the city of Donostia-San Sebastián before emptying into the Bay of Biscay.
  • E. Gediz River
    The Gediz River is a major river in western Turkey that flows into the Aegean Sea near the city of Izmir.
  • 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.