Triple

T22594642
Position Surface form Disambiguated ID Type / Status
Subject IJsselmeer water system E574640 entity
Predicate mainInflow P4496 FINISHED
Object Vecht River (Overijssel) 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: Vecht River (Overijssel) | Statement: [IJsselmeer water system, mainInflow, Vecht River (Overijssel)]

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: Vecht River (Overijssel)
Context triple: [IJsselmeer water system, mainInflow, Vecht River (Overijssel)]
  • A. river Vecht
    The river Vecht is a Dutch waterway in the province of Utrecht, known for its scenic, historic towns and country estates along its banks.
  • B. Geul River
    The Geul River is a small, winding river in the southeastern Netherlands and eastern Belgium, known for its scenic valleys, historic watermills, and role in shaping the hilly landscape of South Limburg.
  • C. River Waal
    River Waal is a major distributary branch of the Rhine in the Netherlands, serving as an important waterway for transport and trade.
  • D. River Nederrijn
    The River Nederrijn is a major distributary branch of the Rhine in the Netherlands, flowing through the central part of the country and playing a key role in its inland waterway network.
  • E. Overijsselse Vecht chosen
    Overijsselse Vecht is a river in the eastern Netherlands and western Germany that flows through the province of Overijssel before emptying into the Zwarte Water near Zwolle.
  • 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.