Triple

T12205661
Position Surface form Disambiguated ID Type / Status
Subject NRU reactor E290829 entity
Predicate locatedOnRiver P165 FINISHED
Object Ottawa River E64218 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: Ottawa River | Statement: [NRU reactor, locatedOnRiver, Ottawa 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: Ottawa River
Context triple: [NRU reactor, locatedOnRiver, Ottawa River]
  • A. Ottawa River chosen
    The Ottawa River is a major waterway in eastern Canada that forms much of the border between Ontario and Quebec and is a key tributary of the Saint Lawrence River.
  • B. Montreal River
    The Montreal River is a waterway in the Upper Peninsula of Michigan that forms part of the boundary between Michigan and Wisconsin before flowing into Lake Superior.
  • C. Montreal River
    The Montreal River is a river in northeastern Ontario, Canada, that flows through forested and sparsely populated areas before emptying into Lake Timiskaming.
  • D. Gatineau River
    The Gatineau River is a major waterway in western Quebec that flows south through the Gatineau Valley before joining the Ottawa River near Canada’s National Capital Region.
  • E. Labrador River
    The Labrador River is a major waterway in the Labrador region of eastern Canada, contributing significantly to the area's drainage system and natural landscape.
  • 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_69d6ab65923081909acfc61b7a612233 elicitation completed
NER batch_69d91c7c9084819085e7d2f9038f409f ner completed
NED1 batch_69f61e5666f48190a28eed761e7b9210 ned_source_triple completed
Created at: April 8, 2026, 9:51 p.m.